| Scientific Name |
Common Name |
Order |
Family |
Genus |
Species |
Author |
| | | | | | | |
| A |
| Abacarus hystrix (Nalepa) | grain rust mite | ACARI | Eriophyidae | Abacarus | hystrix | (Nalepa) |
| Abgrallaspis ithacae (Ferris) | hemlock scale | HEMIPTERA | Diaspididae | Abgrallaspis | ithacae | (Ferris) |
| Acalitus essigi (Hassan) | redberry mite | ACARI | Eriophyidae | Acalitus | essigi | (Hassan) |
| Acalitus gossypii (Banks) | cotton blister mite | ACARI | Eriophyidae | Acalitus | gossypii | (Banks) |
| Acalitus vaccinii (Keifer) | blueberry bud mite | ACARI | Eriophyidae | Acalitus | vaccinii | (Keifer) |
| Acalymma trivittatum (Mannerheim) | western striped cucumber beetle | COLEOPTERA | Chrysomelidae | Acalymma | trivittatum | (Mannerheim) |
| Acalymma vittatum (Fabricius) | striped cucumber beetle | COLEOPTERA | Chrysomelidae | Acalymma | vittatum | (Fabricius) |
| Acanthococcus azaleae (Comstock) | azalea bark scale | HEMIPTERA | Eriococcidae | Acanthococcus | azaleae | (Comstock) |
| Acanthococcus carolinae (Williams) | beachgrass scale | HEMIPTERA | Eriococcidae | Acanthococcus | carolinae | (Williams) |
| Acantholyda erythrocephala (Linnaeus) | pine false webworm | HYMENOPTERA | Pamphiliidae | Acantholyda | erythrocephala | (Linnaeus) |
| Acanthomyops claviger (Roger) | smaller yellow ant | HYMENOPTERA | Formicidae | Acanthomyops | claviger | (Roger) |
| Acanthomyops interjectus (Mayr) | larger yellow ant | HYMENOPTERA | Formicidae | Acanthomyops | interjectus | (Mayr) |
| Acanthoscelides obtectus (Say) | bean weevil | COLEOPTERA | Bruchidae | Acanthoscelides | obtectus | (Say) |
| Acarapis woodi (Rennie) | honey bee mite | ACARI | Tarsonemidae | Acarapis | woodi | (Rennie) |
| Acarus siro Linnaeus | grain mite | ACARI | Acaridae | Acarus | siro | Linnaeus |
| Aceratagallia sanguinolenta (Provancher) | clover leafhopper | HEMIPTERA | Cicadellidae | Aceratagallia | sanguinolenta | (Provancher) |
| Aceria tosichella Keifer | wheat curl mite | ACARI | Eriophyidae | Aceria | tosichella | Keifer |
| Achaea janata (Linnaeus) | croton caterpillar | LEPIDOPTERA | Noctuidae | Achaea | janata | (Linnaeus) |
| Achatina fulica Bowdich | giant African snail | STYLOMMATOPHORA | Achatinidae | Achatina | fulica | Bowdich |
| Achatodes zeae (Harris) | elder shoot borer | LEPIDOPTERA | Noctuidae | Achatodes | zeae | (Harris) |
| Acheta domesticus (Linnaeus) | house cricket | ORTHOPTERA | Gryllidae | Acheta | domesticus | (Linnaeus) |
| Achroia grisella (Fabricius) | lesser wax moth | LEPIDOPTERA | Pyralidae | Achroia | grisella | (Fabricius) |
| Achyra rantalis (Guenée) | garden webworm | LEPIDOPTERA | Crambidae | Achyra | rantalis | (Guenée) |
| Acinia picturata (Snow) | sourbush seed fly | DIPTERA | Tephritidae | Acinia | picturata | (Snow) |
| Acinopterus angulatus Lawson | angulate leafhopper | HEMIPTERA | Cicadellidae | Acinopterus | angulatus | Lawson |
| Acizzia uncatoides (Ferris & Klyver) | acacia psyllid | HEMIPTERA | Psyllidae | Acizzia | uncatoides | (Ferris & Klyver) |
| Acleris gloverana (Walsingham) | western blackheaded budworm | LEPIDOPTERA | Tortricidae | Acleris | gloverana | (Walsingham) |
| Acleris minuta (Robinson) | yellowheaded fireworm | LEPIDOPTERA | Tortricidae | Acleris | minuta | (Robinson) |
| Acleris variana (Fernald) | eastern blackheaded budworm | LEPIDOPTERA | Tortricidae | Acleris | variana | (Fernald) |
| Acontia dacia Druce | brown cotton leafworm | LEPIDOPTERA | Noctuidae | Acontia | dacia | Druce |
| Acrobasis betulella Hulst | birch tubemaker | LEPIDOPTERA | Pyralidae | Acrobasis | betulella | Hulst |
| Acrobasis comptoniella Hulst | sweetfern leaf casebearer | LEPIDOPTERA | Pyralidae | Acrobasis | comptoniella | Hulst |
| Acrobasis demotella Grote | walnut shoot moth | LEPIDOPTERA | Pyralidae | Acrobasis | demotella | Grote |
| Acrobasis indigenella (Zeller) | leaf crumpler | LEPIDOPTERA | Pyralidae | Acrobasis | indigenella | (Zeller) |
| Acrobasis juglandis (LeBaron) | pecan leaf casebearer | LEPIDOPTERA | Pyralidae | Acrobasis | juglandis | (LeBaron) |
| Acrobasis nuxvorella Neunzig | pecan nut casebearer | LEPIDOPTERA | Pyralidae | Acrobasis | nuxvorella | Neunzig |
| Acrobasis vaccinii Riley | cranberry fruitworm | LEPIDOPTERA | Pyralidae | Acrobasis | vaccinii | Riley |
| Acrolepiopsis assectella (Zeller) | leek moth | LEPIDOPTERA | Acrolepiidae | Acrolepiopsis | assectella | (Zeller) |
| Acronicta americana (Harris) | American dagger moth | LEPIDOPTERA | Noctuidae | Acronicta | americana | (Harris) |
| Acronicta lepusculina Guenée | cottonwood dagger moth | LEPIDOPTERA | Noctuidae | Acronicta | lepusculina | Guenée |
| Acronicta oblinita (J.E. Smith) | smeared dagger moth | LEPIDOPTERA | Noctuidae | Acronicta | oblinita | (J.E. Smith) |
| Acrosternum hilare (Say) | green stink bug | HEMIPTERA | Pentatomidae | Acrosternum | hilare | (Say) |
| Actebia fennica (Tauscher) | black army cutworm | LEPIDOPTERA | Noctuidae | Actebia | fennica | (Tauscher) |
| Actias luna (Linnaeus) | luna moth | LEPIDOPTERA | Saturniidae | Actias | luna | (Linnaeus) |
| Aculops lycopersici (Massee) | tomato russet mite | ACARI | Eriophyidae | Aculops | lycopersici | (Massee) |
| Aculus cornutus (Banks) | peach silver mite | ACARI | Eriophyidae | Aculus | cornutus | (Banks) |
| Aculus fockeui (Nalepa & Trouessart) | plum rust mite | ACARI | Eriophyidae | Aculus | fockeui | (Nalepa & Trouessart) |
| Aculus schlechtendali (Nalepa) | apple rust mite | ACARI | Eriophyidae | Aculus | schlechtendali | (Nalepa) |
| Acyrthosiphon caraganae (Cholodkovsky) | caragana aphid | HEMIPTERA | Aphididae | Acyrthosiphon | caraganae | (Cholodkovsky) |
| Acyrthosiphon pisum (Harris) | pea aphid | HEMIPTERA | Aphididae | Acyrthosiphon | pisum | (Harris) |
| Adalia bipunctata (Linnaeus) | twospotted lady beetle | COLEOPTERA | Coccinellidae | Adalia | bipunctata | (Linnaeus) |
| Adelges abietis (Linnaeus) | eastern spruce gall adelgid | HEMIPTERA | Adelgidae | Adelges | abietis | (Linnaeus) |
| Adelges cooleyi (Gillette) | Cooley spruce gall adelgid | HEMIPTERA | Adelgidae | Adelges | cooleyi | (Gillette) |
| Adelges piceae (Ratzeburg) | balsam woolly adelgid | HEMIPTERA | Adelgidae | Adelges | piceae | (Ratzeburg) |
| Adelges tsugae Annand | hemlock woolly adelgid | HEMIPTERA | Adelgidae | Adelges | tsugae | Annand |
| Adelphocoris lineolatus (Goeze) | alfalfa plant bug | HEMIPTERA | Miridae | Adelphocoris | lineolatus | (Goeze) |
| Adelphocoris rapidus (Say) | rapid plant bug | HEMIPTERA | Miridae | Adelphocoris | rapidus | (Say) |
| Adelphocoris superbus (Uhler) | superb plant bug | HEMIPTERA | Miridae | Adelphocoris | superbus | (Uhler) |
| Adoretus sinicus Burmeister | Chinese rose beetle | COLEOPTERA | Scarabaeidae | Adoretus | sinicus | Burmeister |
| Aedes aboriginis Dyar | northwest coast mosquito | DIPTERA | Culicidae | Aedes | aboriginis | Dyar |
| Aedes aegypti (Linnaeus) | yellowfever mosquito | DIPTERA | Culicidae | Aedes | aegypti | (Linnaeus) |
| Aedes albopictus (Skuse) | Asian tiger mosquito | DIPTERA | Culicidae | Aedes | albopictus | (Skuse) |
| Aedes albopictus (Skuse) | Asian tiger mosquito | DIPTERA | Culicidae | Aedes | albopictus | (Skuse) |
| Aedes cantator (Coquillett) | brown saltmarsh mosquito | DIPTERA | Culicidae | Aedes | cantator | (Coquillett) |
| Aedes sierrensis (Ludlow) | western treehole mosquito | DIPTERA | Culicidae | Aedes | sierrensis | (Ludlow) |
| Aedes sollicitans (Walker) | saltmarsh mosquito | DIPTERA | Culicidae | Aedes | sollicitans | (Walker) |
| Aedes squamiger (Coquillett) | California saltmarsh mosquito | DIPTERA | Culicidae | Aedes | squamiger | (Coquillett) |
| Aedes sticticus (Meigen) | floodwater mosquito | DIPTERA | Culicidae | Aedes | sticticus | (Meigen) |
| Aedes vexans (Meigen) | vexans mosquito | DIPTERA | Culicidae | Aedes | vexans | (Meigen) |
| Aeroglyphus robustus (Banks) | warty grain mite | ACARI | Glycyphagidae | Aeroglyphus | robustus | (Banks) |
| Aethes rutilana (Hübner) | pale juniper webworm | LEPIDOPTERA | Tortricidae | Aethes | rutilana | (Hübner) |
| Agasphaerops nigra Horn | lily weevil | COLEOPTERA | Curculionidae | Agasphaerops | nigra | Horn |
| Agonoxena argaula Meyrick | coconut leafminer | LEPIDOPTERA | Agonoxenidae | Agonoxena | argaula | Meyrick |
| Agrilus anxius Gory | bronze birch borer | COLEOPTERA | Buprestidae | Agrilus | anxius | Gory |
| Agrilus aurichalceus Redtenbacher | rose stem girdler | COLEOPTERA | Buprestidae | Agrilus | aurichalceus | Redtenbacher |
| Agrilus bilineatus (Weber) | twolined chestnut borer | COLEOPTERA | Buprestidae | Agrilus | bilineatus | (Weber) |
| Agrilus liragus Barter & Brown | bronze poplar borer | COLEOPTERA | Buprestidae | Agrilus | liragus | Barter & Brown |
| Agrilus planipennis Fairmaire | emerald ash borer | COLEOPTERA | Buprestidae | Agrilus | planipennis | Fairmaire |
| Agrilus ruficollis (Fabricius) | rednecked cane borer | COLEOPTERA | Buprestidae | Agrilus | ruficollis | (Fabricius) |
| Agrilus sinuatus (Oliver) | sinuate peartree borer | COLEOPTERA | Buprestidae | Agrilus | sinuatus | (Oliver) |
| Agriolimax reticulatus (Müller) | gray garden slug | STYLOMMATOPHORA | Agriolimacidae | Agriolimax | reticulatus | (Müller) |
| Agriotes lineatus (Linnaeus) | lined click beetle | COLEOPTERA | Elateridae | Agriotes | lineatus | (Linnaeus) |
| Agriotes mancus (Say) | wheat wireworm | COLEOPTERA | Elateridae | Agriotes | mancus | (Say) |
| Agriphila vulgivagella (Clemens) | vagabond crambus | LEPIDOPTERA | Crambidae | Agriphila | vulgivagella | (Clemens) |
| Agrius cingulata (Fabricius) | sweetpotato hornworm | LEPIDOPTERA | Sphingidae | Agrius | cingulata | (Fabricius) |
| Agromyza frontella (Rondani) | alfalfa blotch leafminer | DIPTERA | Agromyzidae | Agromyza | frontella | (Rondani) |
| Agromyza parvicornis Loew | corn blotch leafminer | DIPTERA | Agromyzidae | Agromyza | parvicornis | Loew |
| Agrotis crinigera (Butler) | larger Hawaiian cutworm | LEPIDOPTERA | Noctuidae | Agrotis | crinigera | (Butler) |
| Agrotis dislocata (Walker) | smaller Hawaiian cutworm | LEPIDOPTERA | Noctuidae | Agrotis | dislocata | (Walker) |
| Agrotis gladiaria Morrison | claybacked cutworm | LEPIDOPTERA | Noctuidae | Agrotis | gladiaria | Morrison |
| Agrotis ipsilon (Hufnagel) | black cutworm | LEPIDOPTERA | Noctuidae | Agrotis | ipsilon | (Hufnagel) |
| Agrotis malefida Guenée | palesided cutworm | LEPIDOPTERA | Noctuidae | Agrotis | malefida | Guenée |
| Agrotis orthogonia Morrison | pale western cutworm | LEPIDOPTERA | Noctuidae | Agrotis | orthogonia | Morrison |
| Agrotis subterranea (Fabricius) | granulate cutworm | LEPIDOPTERA | Noctuidae | Agrotis | subterranea | (Fabricius) |
| Ahasverus advena (Waltl) | foreign grain beetle | COLEOPTERA | Silvanidae | Ahasverus | advena | (Waltl) |
| Alabama argillacea (Hübner) | cotton leafworm | LEPIDOPTERA | Noctuidae | Alabama | argillacea | (Hübner) |
| Alaus oculatus (Linnaeus) | eyed click beetle | COLEOPTERA | Elateridae | Alaus | oculatus | (Linnaeus) |
| Aleurocanthus spiniferus (Quaintance) | orange spiny whitefly | HEMIPTERA | Aleyrodidae | Aleurocanthus | spiniferus | (Quaintance) |
| Aleurocanthus woglumi Ashby | citrus blackfly | HEMIPTERA | Aleyrodidae | Aleurocanthus | woglumi | Ashby |
| Aleuroglyphus ovatus (Troupeau) | brownlegged grain mite | ACARI | Acaridae | Aleuroglyphus | ovatus | (Troupeau) |
| Aleurothrixus floccosus (Maskell) | woolly whitefly | HEMIPTERA | Aleyrodidae | Aleurothrixus | floccosus | (Maskell) |
| Aleyrodes shizuokensis Kuwana | oxalis whitefly | HEMIPTERA | Aleyrodidae | Aleyrodes | shizuokensis | Kuwana |
| Algarobius bottimeri Kingsolver | kiawe bean weevil | COLEOPTERA | Bruchidae | Algarobius | bottimeri | Kingsolver |
| Allantus cinctus (Linnaeus) | curled rose sawfly | HYMENOPTERA | Tenthredinidae | Allantus | cinctus | (Linnaeus) |
| Alniphagus aspericollis (LeConte) | alder bark beetle | COLEOPTERA | Curculionidae | Alniphagus | aspericollis | (LeConte) |
| Alphitobius diaperinus (Panzer) | lesser mealworm | COLEOPTERA | Tenebrionidae | Alphitobius | diaperinus | (Panzer) |
| Alphitobius laevigatus (Fabricius) | black fungus beetle | COLEOPTERA | Tenebrionidae | Alphitobius | laevigatus | (Fabricius) |
| Alphitophagus bifasciatus (Say) | twobanded fungus beetle | COLEOPTERA | Tenebrionidae | Alphitophagus | bifasciatus | (Say) |
| Alsophila pometaria (Harris) | fall cankerworm | LEPIDOPTERA | Geometridae | Alsophila | pometaria | (Harris) |
| Altica canadensis Gentner | prairie flea beetle | COLEOPTERA | Chrysomelidae | Altica | canadensis | Gentner |
| Altica carinata Germar | elm flea beetle | COLEOPTERA | Chrysomelidae | Altica | carinata | Germar |
| Altica chalybea Illiger | grape flea beetle | COLEOPTERA | Chrysomelidae | Altica | chalybea | Illiger |
| Altica sylvia Malloch | blueberry flea beetle | COLEOPTERA | Chrysomelidae | Altica | sylvia | Malloch |
| Alypia octomaculata (Fabricius) | eightspotted forester | LEPIDOPTERA | Noctuidae | Alypia | octomaculata | (Fabricius) |
| Amblyomma americanum (Linnaeus) | lone star tick | ACARI | Ixodidae | Amblyomma | americanum | (Linnaeus) |
| Amblyomma cajennense (Fabricius) | Cayenne tick | ACARI | Ixodidae | Amblyomma | cajennense | (Fabricius) |
| Amblyomma maculatum Koch | Gulf Coast tick | ACARI | Ixodidae | Amblyomma | maculatum | Koch |
| Amblyomma tuberculatum Marx | gophertortoise tick | ACARI | Ixodidae | Amblyomma | tuberculatum | Marx |
| Ametastegia glabrata (Fallén) | dock sawfly | HYMENOPTERA | Tenthredinidae | Ametastegia | glabrata | (Fallén) |
| Ametastegia pallipes (Spinola) | violet sawfly | HYMENOPTERA | Tenthredinidae | Ametastegia | pallipes | (Spinola) |
| Amorbia emigratella Busck | Mexican leafroller | LEPIDOPTERA | Tortricidae | Amorbia | emigratella | Busck |
| Ampeloglypter sesostris (LeConte) | grape cane gallmaker | COLEOPTERA | Curculionidae | Ampeloglypter | sesostris | (LeConte) |
| Amphicerus bicaudatus (Say) | apple twig borer | COLEOPTERA | Bostrichidae | Amphicerus | bicaudatus | (Say) |
| Amphicerus cornutus (Pallas) | powderpost bostrichid | COLEOPTERA | Bostrichidae | Amphicerus | cornutus | (Pallas) |
| Ampulex compressa (Fabricius) | emerald cockroach wasp | HYMENOPTERA | Sphecidae | Ampulex | compressa | (Fabricius) |
| Amyelois transitella (Walker) | navel orangeworm | LEPIDOPTERA | Pyralidae | Amyelois | transitella | (Walker) |
| Amyna natalis (Walker) | ilima moth | LEPIDOPTERA | Noctuidae | Amyna | natalis | (Walker) |
| Anabrus simplex Haldeman | Mormon cricket | ORTHOPTERA | Tettigoniidae | Anabrus | simplex | Haldeman |
| Anagasta kuehniella (Zeller) | Mediterranean flour moth | LEPIDOPTERA | Pyralidae | Anagasta | kuehniella | (Zeller) |
| Anagrapha falcifera (Kirby) | celery looper | LEPIDOPTERA | Noctuidae | Anagrapha | falcifera | (Kirby) |
| Anaphothrips obscurus (Müller) | grass thrips | THYSANOPTERA | Thripidae | Anaphothrips | obscurus | (Müller) |
| Anaphothrips swezeyi Moulton | Hawaiian grass thrips | THYSANOPTERA | Thripidae | Anaphothrips | swezeyi | Moulton |
| Anarsia lineatella Zeller | peach twig borer | LEPIDOPTERA | Gelechiidae | Anarsia | lineatella | Zeller |
| Anasa armigera (Say) | horned squash bug | HEMIPTERA | Coreidae | Anasa | armigera | (Say) |
| Anasa tristis (De Geer) | squash bug | HEMIPTERA | Coreidae | Anasa | tristis | (De Geer) |
| Anastrepha ludens (Loew) | Mexican fruit fly | DIPTERA | Tephritidae | Anastrepha | ludens | (Loew) |
| Anastrepha obliqua (Macquart) | West Indian fruit fly | DIPTERA | Tephritidae | Anastrepha | obliqua | (Macquart) |
| Anastrepha pallens Coquillett | bumelia fruit fly | DIPTERA | Tephritidae | Anastrepha | pallens | Coquillett |
| Anastrepha suspensa (Loew) | Caribbean fruit fly | DIPTERA | Tephritidae | Anastrepha | suspensa | (Loew) |
| Anaticola anseris (Linnaeus) | slender goose louse | MALLOPHAGA | Philopteridae | Anaticola | anseris | (Linnaeus) |
| Anaticola crassicornis (Scopoli) | slender duck louse | MALLOPHAGA | Philopteridae | Anaticola | crassicornis | (Scopoli) |
| Anax junius (Drury) | common green darner | ODONATA | Aeshnidae | Anax | junius | (Drury) |
| Anax strenuus Hagen | giant Hawaiian dragonfly | ODONATA | Aeshnidae | Anax | strenuus | Hagen |
| Ancylis comptana (Froelich) | strawberry leafroller | LEPIDOPTERA | Tortricidae | Ancylis | comptana | (Froelich) |
| Anelaphus villosus (Fabricius) | twig pruner | COLEOPTERA | Cerambycidae | Anelaphus | villosus | (Fabricius) |
| Anisomorpha buprestoides (Stoll) | twostriped walkingstick | PHASMATODEA | Pseudophasmatidae | Anisomorpha | buprestoides | (Stoll) |
| Anisota senatoria (J.E. Smith) | orangestriped oakworm | LEPIDOPTERA | Saturniidae | Anisota | senatoria | (J.E. Smith) |
| Anisota stigma (Fabricius) | spiny oakworm | LEPIDOPTERA | Saturniidae | Anisota | stigma | (Fabricius) |
| Anisota virginiensis (Drury) | pinkstriped oakworm | LEPIDOPTERA | Saturniidae | Anisota | virginiensis | (Drury) |
| Anobium punctatum (De Geer) | furniture beetle | COLEOPTERA | Anobiidae | Anobium | punctatum | (De Geer) |
| Anocentor nitens (Neumann) | tropical horse tick | ACARI | Ixodidae | Anocentor | nitens | (Neumann) |
| Anomala oblivia Horn | pine chafer | COLEOPTERA | Scarabaeidae | Anomala | oblivia | Horn |
| Anomala orientalis Waterhouse | oriental beetle | COLEOPTERA | Scarabaeidae | Anomala | orientalis | Waterhouse |
| Anomoea laticlavia (Förster) | claycolored leaf beetle | COLEOPTERA | Chrysomelidae | Anomoea | laticlavia | (Förster) |
| Anopheles quadrimaculatus Say | common malaria mosquito | DIPTERA | Culicidae | Anopheles | quadrimaculatus | Say |
| Anoplolepis gracilipes (Fr. Smith) | longlegged ant | HYMENOPTERA | Formicidae | Anoplolepis | gracilipes | (Fr. Smith) |
| Anoplophora glabripennis (Motschulsky) | Asian longhorned beetle | COLEOPTERA | Cerambycidae | Anoplophora | glabripennis | (Motschulsky) |
| Anormenis antillarum (Kirkaldy) | West Indian flatid | HEMIPTERA | Flatidae | Anormenis | antillarum | (Kirkaldy) |
| Antheraea polyphemus (Cramer) | polyphemus moth | LEPIDOPTERA | Saturniidae | Antheraea | polyphemus | (Cramer) |
| Anthicus floralis (Linnaeus) | narrownecked grain beetle | COLEOPTERA | Anthicidae | Anthicus | floralis | (Linnaeus) |
| Anthonomus eugenii Cano | pepper weevil | COLEOPTERA | Curculionidae | Anthonomus | eugenii | Cano |
| Anthonomus grandis grandis Boheman | boll weevil | COLEOPTERA | Curculionidae | Anthonomus | grandis grandis | Boheman |
| Anthonomus grandis thurberiae Pierce | thurberia weevil | COLEOPTERA | Curculionidae | Anthonomus | grandis thurberiae | Pierce |
| Anthonomus musculus Say | cranberry weevil | COLEOPTERA | Curculionidae | Anthonomus | musculus | Say |
| Anthonomus quadrigibbus Say | apple curculio | COLEOPTERA | Curculionidae | Anthonomus | quadrigibbus | Say |
| Anthonomus quadrigibbus Say | apple curculio | COLEOPTERA | Curculionidae | Anthonomus | quadrigibbus | Say |
| Anthonomus signatus Say | strawberry bud weevil | COLEOPTERA | Curculionidae | Anthonomus | signatus | Say |
| Anthrenus flavipes LeConte | furniture carpet beetle | COLEOPTERA | Dermestidae | Anthrenus | flavipes | LeConte |
| Anthrenus scrophulariae (Linnaeus) | carpet beetle | COLEOPTERA | Dermestidae | Anthrenus | scrophulariae | (Linnaeus) |
| Anthrenus verbasci (Linnaeus) | varied carpet beetle | COLEOPTERA | Dermestidae | Anthrenus | verbasci | (Linnaeus) |
| Antianthe expansa (Germar) | solanaceous treehopper | HEMIPTERA | Membracidae | Antianthe | expansa | (Germar) |
| Anticarsia gemmatalis Hübner | velvetbean caterpillar | LEPIDOPTERA | Noctuidae | Anticarsia | gemmatalis | Hübner |
| Antispila nysaefoliella Clemens | tupelo leafminer | LEPIDOPTERA | Heliozelidae | Antispila | nysaefoliella | Clemens |
| Antonina graminis (Maskell) | Rhodesgrass mealybug | HEMIPTERA | Pseudococcidae | Antonina | graminis | (Maskell) |
| Aonidiella aurantii (Maskell) | California red scale | HEMIPTERA | Diaspididae | Aonidiella | aurantii | (Maskell) |
| Aonidiella citrina (Coquillett) | yellow scale | HEMIPTERA | Diaspididae | Aonidiella | citrina | (Coquillett) |
| Aonidiella inornata McKenzie | inornate scale | HEMIPTERA | Diaspididae | Aonidiella | inornata | McKenzie |
| Apamea amputatrix (Fitch) | yellowheaded cutworm | LEPIDOPTERA | Noctuidae | Apamea | amputatrix | (Fitch) |
| Apamea devastator (Brace) | glassy cutworm | LEPIDOPTERA | Noctuidae | Apamea | devastator | (Brace) |
| Aphaenogaster araneoides Emery | gypsy ant | HYMENOPTERA | Formicidae | Aphaenogaster | araneoides | Emery |
| Aphelinus lapisligni Howard | clover aphid parasite | HYMENOPTERA | Encyrtidae | Aphelinus | lapisligni | Howard |
| Aphis craccivora Koch | cowpea aphid | HEMIPTERA | Aphididae | Aphis | craccivora | Koch |
| Aphis fabae Scopoli | bean aphid | HEMIPTERA | Aphididae | Aphis | fabae | Scopoli |
| Aphis forbesi Weed | strawberry root aphid | HEMIPTERA | Aphididae | Aphis | forbesi | Weed |
| Aphis glycines Matsumura | soybean aphid | HEMIPTERA | Aphididae | Aphis | glycines | Matsumura |
| Aphis gossypii Glover | cotton aphid1 | HEMIPTERA | Aphididae | Aphis | gossypii | Glover |
| Aphis hederae Kaltenbach | ivy aphid | HEMIPTERA | Aphididae | Aphis | hederae | Kaltenbach |
| Aphis illinoisensis Shimer | grapevine aphid | HEMIPTERA | Aphididae | Aphis | illinoisensis | Shimer |
| Aphis maidiradicis Forbes | corn root aphid | HEMIPTERA | Aphididae | Aphis | maidiradicis | Forbes |
| Aphis maidiradicis Forbes | corn root aphid | HEMIPTERA | Aphididae | Aphis | maidiradicis | Forbes |
| Aphis middletonii Thomas | erigeron root aphid | HEMIPTERA | Aphididae | Aphis | middletonii | Thomas |
| Aphis nasturtii Kaltenbach | buckthorn aphid | HEMIPTERA | Aphididae | Aphis | nasturtii | Kaltenbach |
| Aphis nerii Boyer de Fonscolombe | oleander aphid | HEMIPTERA | Aphididae | Aphis | nerii | Boyer de Fonscolombe |
| Aphis pomi De Geer | apple aphid | HEMIPTERA | Aphididae | Aphis | pomi | De Geer |
| Aphis spiraecola Patch | spirea aphid | HEMIPTERA | Aphididae | Aphis | spiraecola | Patch |
| Aphis viburniphila Patch | viburnum aphid | HEMIPTERA | Aphididae | Aphis | viburniphila | Patch |
| Aphomia gularis (Zeller) | stored nut moth | LEPIDOPTERA | Pyralidae | Aphomia | gularis | (Zeller) |
| Aphrophora cribrata (Walker) | pine spittlebug | HEMIPTERA | Cercopidae | Aphrophora | cribrata | (Walker) |
| Aphrophora cribrata (Walker) | pine spittlebug | HEMIPTERA | Cercopidae | Aphrophora | cribrata | (Walker) |
| Aphrophora saratogensis (Fitch) | Saratoga spittlebug | HEMIPTERA | Cercopidae | Aphrophora | saratogensis | (Fitch) |
| Apion occidentale Fall | black sunflower stem weevil | COLEOPTERA | Curculionidae | Apion | occidentale | Fall |
| Apion antiquum Gyllenhal | South African emex weevil | COLEOPTERA | Curculionidae | Apion | antiquum | Gyllenhal |
| Apion longirostre Olivier | hollyhock weevil | COLEOPTERA | Curculionidae | Apion | longirostre | Olivier |
| Apion ulicis (Förster) | gorse seed weevil | COLEOPTERA | Curculionidae | Apion | ulicis | (Förster) |
| Apis mellifera Linnaeus | honey bee | HYMENOPTERA | Apidae | Apis | mellifera | Linnaeus |
| Apodemia mormo langei Comstock | Lange metalmark | LEPIDOPTERA | Riodinidae | Apodemia | mormo langei | Comstock |
| Apomecyna saltator (Fabricius) | cucurbit longicorn | COLEOPTERA | Cerambycidae | Apomecyna | saltator | (Fabricius) |
| Aposthonia oceania (Ross) | oceanic embiid | EMBIIDINA | Oligotomidae | Aposthonia | oceania | (Ross) |
| Araecerus fasciculatus (De Geer) | coffee bean weevil | COLEOPTERA | Anthribidae | Araecerus | fasciculatus | (De Geer) |
| Araecerus levipennis Jordan | koa haole seed weevil | COLEOPTERA | Anthribidae | Araecerus | levipennis | Jordan |
| Araeocorynus cumingi Jekel | mauna loa bean beetle | COLEOPTERA | Anthribidae | Araeocorynus | cumingi | Jekel |
| Archips argyrospila (Walker) | fruittree leafroller | LEPIDOPTERA | Tortricidae | Archips | argyrospila | (Walker) |
| Archips cerasivorana (Fitch) | uglynest caterpillar | LEPIDOPTERA | Tortricidae | Archips | cerasivorana | (Fitch) |
| Archips fervidana (Clemens) | oak webworm | LEPIDOPTERA | Tortricidae | Archips | fervidana | (Clemens) |
| Archips mortuana Kearfott | duskyback leafroller | LEPIDOPTERA | Tortricidae | Archips | mortuana | Kearfott |
| Archips semiferana (Walker) | oak leafroller | LEPIDOPTERA | Tortricidae | Archips | semiferana | (Walker) |
| Argas persicus (Oken) | fowl tick | ACARI | Argasidae | Argas | persicus | (Oken) |
| Arge pectoralis (Leach) | birch sawfly | HYMENOPTERA | Argidae | Arge | pectoralis | (Leach) |
| Argiope aurantia Lucas | yellow garden spider | ARANEAE | Araneidae | Argiope | aurantia | Lucas |
| Argiope trifasciata (Forskal) | whitebacked garden spider | ARANEAE | Araneidae | Argiope | trifasciata | (Forskal) |
| Argyresthia conjugella Zeller | apple fruit moth | LEPIDOPTERA | Argyresthiidae | Argyresthia | conjugella | Zeller |
| Argyresthia thuiella (Packard) | arborvitae leafminer | LEPIDOPTERA | Argyresthiidae | Argyresthia | thuiella | (Packard) |
| Argyrotaenia citrana (Fernald) | orange tortrix | LEPIDOPTERA | Tortricidae | Argyrotaenia | citrana | (Fernald) |
| Argyrotaenia juglandana (Fernald) | hickory leafroIler | LEPIDOPTERA | Tortricidae | Argyrotaenia | juglandana | (Fernald) |
| Argyrotaenia mariana (Fernald) | graybanded leafroller | LEPIDOPTERA | Tortricidae | Argyrotaenia | mariana | (Fernald) |
| Argyrotaenia pinatubana (Kearfott) | pine tube moth | LEPIDOPTERA | Tortricidae | Argyrotaenia | pinatubana | (Kearfott) |
| Argyrotaenia quadrifasciana (Fernald) | fourbanded leafroller | LEPIDOPTERA | Tortricidae | Argyrotaenia | quadrifasciana | (Fernald) |
| Argyrotaenia velutinana (Walker) | redbanded leafroller | LEPIDOPTERA | Tortricidae | Argyrotaenia | velutinana | (Walker) |
| Arhopalus productus (LeConte) | new house borer | COLEOPTERA | Cerambycidae | Arhopalus | productus | (LeConte) |
| Arilus cristatus (Linnaeus) | wheel bug | HEMIPTERA | Reduviidae | Arilus | cristatus | (Linnaeus) |
| Arion ater rufus (Linnaeus) | large red slug | STYLOMMATOPHORA | Arionidae | Arion | ater rufus | (Linnaeus) |
| Aroga websteri Clarke | sagebrush defoliator | LEPIDOPTERA | Gelechiidae | Aroga | websteri | Clarke |
| Arrhenodes minutus (Drury) | oak timberworm | COLEOPTERA | Brentidae | Arrhenodes | minutus | (Drury) |
| Asarcopus palmarum Horvath | datebug | HEMIPTERA | Issidae | Asarcopus | palmarum | Horvath |
| Ascalapha odorata (Linnaeus) | black witch | LEPIDOPTERA | Noctuidae | Ascalapha | odorata | (Linnaeus) |
| Asphondylia websteri Felt | alfalfa gall midge | DIPTERA | Cecidomyiidae | Asphondylia | websteri | Felt |
| Aspidiotus destructor Signoret | coconut scale | HEMIPTERA | Diaspididae | Aspidiotus | destructor | Signoret |
| Aspidiotus nerii Bouché | oleander scale | HEMIPTERA | Diaspididae | Aspidiotus | nerii | Bouché |
| Asterolecanium pustulans (Cockerell) | oleander pit scale | HEMIPTERA | Asterolecaniidae | Asterolecanium | pustulans | (Cockerell) |
| Asterolecanium variolosum (Ratzeburg) | golden oak scale | HEMIPTERA | Asterolecaniidae | Asterolecanium | variolosum | (Ratzeburg) |
| Asynonychus godmanni Crotch | Fuller rose beetle | COLEOPTERA | Curculionidae | Asynonychus | godmanni | Crotch |
| Ataenius spretulus (Haldeman) | black turfgrass ataenius | COLEOPTERA | Scarabaeidae | Ataenius | spretulus | (Haldeman) |
| Atherigona soccata (Rondani) | sorghum shoot fly | DIPTERA | Muscidae | Atherigona | soccata | (Rondani) |
| Athesapeuta cyperi Marshall | nutgrass weevil | COLEOPTERA | Curculionidae | Athesapeuta | cyperi | Marshall |
| Athetis mindara (Barnes & McDunnough) | roughskinned cutworm | LEPIDOPTERA | Noctuidae | Athetis | mindara | (Barnes & McDunnough) |
| Atractomorpha sinensis Bolivar | pinkwinged grasshopper | ORTHOPTERA | Pyrgomorphidae | Atractomorpha | sinensis | Bolivar |
| Atta texana (Buckley) | Texas leafcutting ant | HYMENOPTERA | Formicidae | Atta | texana | (Buckley) |
| Attagenus fasciatus (Thunberg) | wardrobe beetle | COLEOPTERA | Dermestidae | Attagenus | fasciatus | (Thunberg) |
| Attagenus unicolor (Brahm) | black carpet beetle | COLEOPTERA | Dermestidae | Attagenus | unicolor | (Brahm) |
| Atteva punctella (Cramer) | ailanthus webworm | LEPIDOPTERA | Yponomeutidae | Atteva | punctella | (Cramer) |
| Aulacaspis rosae (Bouché) | rose scale | HEMIPTERA | Diaspididae | Aulacaspis | rosae | (Bouché) |
| Aulacaspis rosarum Borchsenius | Asiatic rose scale | HEMIPTERA | Diaspididae | Aulacaspis | rosarum | Borchsenius |
| Aulacorthum circumflexum (Buckton) | crescentmarked lily aphid | HEMIPTERA | Aphididae | Aulacorthum | circumflexum | (Buckton) |
| Aulacorthum solani (Kaltenbach) | foxglove aphid | HEMIPTERA | Aphididae | Aulacorthum | solani | (Kaltenbach) |
| Aulocara elliotti (Thomas) | bigheaded grasshopper | ORTHOPTERA | Acrididae | Aulocara | elliotti | (Thomas) |
| Autographa californica (Speyer) | alfalfa looper | LEPIDOPTERA | Noctuidae | Autographa | californica | (Speyer) |
| Automeris io (Fabricius) | io moth | LEPIDOPTERA | Saturniidae | Automeris | io | (Fabricius) |
| Autoplusia egena (Guenée) | bean leafskeletonizer | LEPIDOPTERA | Noctuidae | Autoplusia | egena | (Guenée) |
| B |
| Bactra venosana (Zeller) | nutgrass borer moth | LEPIDOPTERA | Tortricidae | Bactra | venosana | (Zeller) |
| Bactrocera cucurbitae Coquillett | melon fly | DIPTERA | Tephritidae | Bactrocera | cucurbitae | Coquillett |
| Bactrocera dorsalis Hendel | oriental fruit fly | DIPTERA | Tephritidae | Bactrocera | dorsalis | Hendel |
| Bactrocera oleae (Gmelin) | olive fruit fly | DIPTERA | Tephritidae | Bactrocera | oleae | (Gmelin) |
| Balclutha incisa hospes (Kirkaldy) | little green leafhopper | HEMIPTERA | Cicadellidae | Balclutha | incisa hospes | (Kirkaldy) |
| Balclutha saltuella (Kirschbaum) | Beardsley leafhopper | HEMIPTERA | Cicadellidae | Balclutha | saltuella | (Kirschbaum) |
| Baliosus nervosus (Panzer) | basswood leafminer | COLEOPTERA | Chrysomelidae | Baliosus | nervosus | (Panzer) |
| Barbara colfaxiana (Kearfott) | Douglas-fir cone moth | LEPIDOPTERA | Tortricidae | Barbara | colfaxiana | (Kearfott) |
| Baris lepidii Germar | imported crucifer weevil | COLEOPTERA | Curculionidae | Baris | lepidii | Germar |
| Baris strenua (LeConte) | sunflower root weevil | COLEOPTERA | Curculionidae | Baris | strenua | (LeConte) |
| Battus philenor (Linnaeus) | pipevine swallowtail | LEPIDOPTERA | Papilionidae | Battus | philenor | (Linnaeus) |
| Bedellia orchilella Walsingham | sweetpotato leafminer | LEPIDOPTERA | Bedellidae | Bedellia | orchilella | Walsingham |
| Bedellia somnulentella (Zeller) | morningglory leafminer | LEPIDOPTERA | Bedellidae | Bedellia | somnulentella | (Zeller) |
| Bellura densa (Walker) | pickerelweed borer | LEPIDOPTERA | Noctuidae | Bellura | densa | (Walker) |
| Bemisia giffardi (Kotinsky) | Giffard whitefly | HEMIPTERA | Aleyrodidae | Bemisia | giffardi | (Kotinsky) |
| Bemisia tabaci (Gennadius) | sweetpotato whitefly | HEMIPTERA | Aleyrodidae | Bemisia | tabaci | (Gennadius) |
| Biston betularia cognataria (Guenée) | pepper-and-salt moth | LEPIDOPTERA | Geometridae | Biston | betularia cognataria | (Guenée) |
| Blaesoxipha spp. | grasshopper maggots | DIPTERA | Sarcophagidae | Blaesoxipha | spp. | |
| Blastophaga psenes (Linnaeus) | fig wasp | HYMENOPTERA | Agaonidae | Blastophaga | psenes | (Linnaeus) |
| Blatta lateralis (Walker) | Turkestan cockroach | BLATTODEA | Blattidae | Blatta | lateralis | (Walker) |
| Blatta orientalis Linnaeus | oriental cockroach | BLATTODEA | Blattidae | Blatta | orientalis | Linnaeus |
| Blattella asahinai Mizukubo | Asian cockroach | BLATTODEA | Blattellidae | Blattella | asahinai | Mizukubo |
| Blattella germanica (Linnaeus) | German cockroach | BLATTODEA | Blattellidae | Blattella | germanica | (Linnaeus) |
| Blattella lituricollis (Walker) | false German cockroach | BLATTODEA | Blattellidae | Blattella | lituricollis | (Walker) |
| Blepharomastix ebulealis (Guenée) | clidemia leafroller | LEPIDOPTERA | Crambidae | Blepharomastix | ebulealis | (Guenée) |
| Blissus insularis Barber | southern chinch bug | HEMIPTERA | Lygaeidae | Blissus | insularis | Barber |
| Blissus leucopterus hirtus Montandon | hairy chinch bug | HEMIPTERA | Lygaeidae | Blissus | leucopterus hirtus | Montandon |
| Blissus leucopterus leucopterus (Say) | chinch bug | HEMIPTERA | Lygaeidae | Blissus | leucopterus leucopterus | (Say) |
| Blissus occiduus Barber | western chinch bug | HEMIPTERA | Lygaeidae | Blissus | occiduus | Barber |
| Boisea rubrolineata (Barber) | western boxelder bug | HEMIPTERA | Rhopalidae | Boisea | rubrolineata | (Barber) |
| Boisea rubrolineata (Barber) | western boxelder bug | HEMIPTERA | Rhopalidae | Boisea | rubrolineata | (Barber) |
| Boisea trivittata (Say) | boxelder bug | HEMIPTERA | Rhopalidae | Boisea | trivittata | (Say) |
| Bombus affinis (Cresson) | rusty patched bumble bee | Hymenoptera | Apidae | Bombus | affinis | (Cresson) |
| Bombus ashtoni (Cresson) | Ashton cuckoo bumble bee | Hymenoptera | Apidae | Bombus | ashtoni | (Cresson) |
| Bombus auricomus (Robertson) | black and gold bumble bee | Hymenoptera | Apidae | Bombus | auricomus | (Robertson) |
| Bombus bimaculatus (Cresson) | twospotted bumble bee | Hymenoptera | Apidae | Bombus | bimaculatus | (Cresson) |
| Bombus borealis (Kirby) | northern amber bumble bee | Hymenoptera | Apidae | Bombus | borealis | (Kirby) |
| Bombus citrinus (Smith) | lemon cuckoo bumble bee | Hymenoptera | Apidae | Bombus | citrinus | (Smith) |
| Bombus fernaldae (Franklin) | Fernald cuckoo bumble bee | Hymenoptera | Apidae | Bombus | fernaldae | (Franklin) |
| Bombus fervidus (Fabricius) | yellow bumble bee | Hymenoptera | Apidae | Bombus | fervidus | (Fabricius) |
| Bombus fraternus (Smith) | southern plains bumble bee | Hymenoptera | Apidae | Bombus | fraternus | (Smith) |
| Bombus griseocollis (DeGeer) | brownbelted bumble bee | Hymenoptera | Apidae | Bombus | griseocollis | (DeGeer) |
| Bombus impatiens (Cresson) | common eastern bumble bee | Hymenoptera | Apidae | Bombus | impatiens | (Cresson) |
| Bombus insularis (Smith) | indiscriminate cuckoo bumble bee | Hymenoptera | Apidae | Bombus | insularis | (Smith) |
| Bombus pensylvanicus (DeGeer) | American bumble bee | Hymenoptera | Apidae | Bombus | pensylvanicus | (DeGeer) |
| Bombus perplexus (Cresson) | confusing bumble bee | Hymenoptera | Apidae | Bombus | perplexus | (Cresson) |
| Bombus rufocinctus (Cresson) | redbelted bumble bee | Hymenoptera | Apidae | Bombus | rufocinctus | (Cresson) |
| Bombus sandersoni (Franklin) | Sanderson bumble bee | Hymenoptera | Apidae | Bombus | sandersoni | (Franklin) |
| Bombus ternarius (Say) | tricolored bumble bee | Hymenoptera | Apidae | Bombus | ternarius | (Say) |
| Bombus terricola (Kirby) | yellowbanded bumble bee | Hymenoptera | Apidae | Bombus | terricola | (Kirby) |
| Bombus vagans (Smith) | half-black bumble bee | Hymenoptera | Apidae | Bombus | vagans | (Smith) |
| Bombus variabilis (Cresson) | variable cuckoo bumble bee | Hymenoptera | Apidae | Bombus | variabilis | (Cresson) |
| Bombyx mori (Linnaeus) | silkworm | LEPIDOPTERA | Bombycidae | Bombyx | mori | (Linnaeus) |
| Boophilus annulatus (Say) | cattle tick | ACARI | Ixodidae | Boophilus | annulatus | (Say) |
| Boophilus microplus (Canestrini) | southern cattle tick | ACARI | Ixodidae | Boophilus | microplus | (Canestrini) |
| Bothrocalvia pupillata (Swartz) | tenspotted lady beetle | COLEOPTERA | Coccinellidae | Bothrocalvia | pupillata | (Swartz) |
| Bourletiella hortensis (Fitch) | garden springtail | COLLEMBOLA | Bourletiellidae | Bourletiella | hortensis | (Fitch) |
| Bovicola bovis (Linnaeus) | cattle biting louse | MALLOPHAGA | Trichodectidae | Bovicola | bovis | (Linnaeus) |
| Bovicola caprae (Gurlt) | goat biting louse | MALLOPHAGA | Trichodectidae | Bovicola | caprae | (Gurlt) |
| Bovicola crassipes (Rudow) | Angora goat biting louse | MALLOPHAGA | Trichodectidae | Bovicola | crassipes | (Rudow) |
| Bovicola equi (Denny) | horse biting louse | MALLOPHAGA | Trichodectidae | Bovicola | equi | (Denny) |
| Bovicola ovis (Schrank) | sheep biting louse | MALLOPHAGA | Trichodectidae | Bovicola | ovis | (Schrank) |
| Brachycaudus cardui (Linnaeus) | thistle aphid | HEMIPTERA | Aphididae | Brachycaudus | cardui | (Linnaeus) |
| Brachycaudus persicae (Passerini) | black peach aphid | HEMIPTERA | Aphididae | Brachycaudus | persicae | (Passerini) |
| Brachycolus heraclei Takahashi | celery aphid | HEMIPTERA | Aphididae | Brachycolus | heraclei | Takahashi |
| Brachycorynella asparagi (Mordvilko) | asparagus aphid | HEMIPTERA | Aphididae | Brachycorynella | asparagi | (Mordvilko) |
| Brachystola magna (Girard) | lubber grasshopper | ORTHOPTERA | Acrididae | Brachystola | magna | (Girard) |
| Brevicoryne brassicae (Linnaeus) | cabbage aphid | HEMIPTERA | Aphididae | Brevicoryne | brassicae | (Linnaeus) |
| Brevipalpus lewisi McGregor | citrus flat mite | ACARI | Tenuipalpidae | Brevipalpus | lewisi | McGregor |
| Brevipalpus obovatus Donnadieu | privet mite | ACARI | Tenuipalpidae | Brevipalpus | obovatus | Donnadieu |
| Brevipalpus phoenicis (Geijskes) | red and black flat mite | ACARI | Tenuipalpidae | Brevipalpus | phoenicis | (Geijskes) |
| Brochymena quadripustulata (Fabricius) | rough stink bug | HEMIPTERA | Pentatomidae | Brochymena | quadripustulata | (Fabricius) |
| Bromius obscurus (Linnaeus) | western grape rootworm | COLEOPTERA | Chrysomelidae | Bromius | obscurus | (Linnaeus) |
| Brooksetta althaeae (Hussey) | hollyhock plant bug | HEMIPTERA | Miridae | Brooksetta | althaeae | (Hussey) |
| Bruchophagus gibbus (Boheman) | clover seed chalcid | HYMENOPTERA | Eurytomidae | Bruchophagus | gibbus | (Boheman) |
| Bruchophagus gibbus (Boheman) | clover seed chalcid | HYMENOPTERA | Eurytomidae | Bruchophagus | gibbus | (Boheman) |
| Bruchophagus platypterus (Walker) | trefoil seed chalcid | HYMENOPTERA | Eurytomidae | Bruchophagus | platypterus | (Walker) |
| Bruchophagus platypterus (Walker) | trefoil seed chalcid | HYMENOPTERA | Eurytomidae | Bruchophagus | platypterus | (Walker) |
| Bruchophagus roddi (Gussakovsky) | alfalfa seed chalcid | HYMENOPTERA | Eurytomidae | Bruchophagus | roddi | (Gussakovsky) |
| Bruchus brachialis Fåhraeus | vetch bruchid | COLEOPTERA | Bruchidae | Bruchus | brachialis | Fåhraeus |
| Bruchus pisorum (Linnaeus) | pea weevil | COLEOPTERA | Bruchidae | Bruchus | pisorum | (Linnaeus) |
| Bruchus rufimanus Boheman | broadbean weevil | COLEOPTERA | Bruchidae | Bruchus | rufimanus | Boheman |
| Brumoides suturalis (Fabricius) | threestriped lady beetle | COLEOPTERA | Coccinellidae | Brumoides | suturalis | (Fabricius) |
| Bryobia praetiosa Koch | clover mite | ACARI | Tetranychidae | Bryobia | praetiosa | Koch |
| Bryobia rubrioculus (Scheuten) | brown mite | ACARI | Tetranychidae | Bryobia | rubrioculus | (Scheuten) |
| Bucculatrix ainsliella Murtfeldt | oak skeletonizer | LEPIDOPTERA | Bucculatricidae | Bucculatrix | ainsliella | Murtfeldt |
| Bucculatrix canadensisella Chambers | birch skeletonizer | LEPIDOPTERA | Bucculatricidae | Bucculatrix | canadensisella | Chambers |
| Bucculatrix thurberiella Busck | cotton leafperforator | LEPIDOPTERA | Bucculatricidae | Bucculatrix | thurberiella | Busck |
| Buprestis apricans Herbst | turpentine borer | COLEOPTERA | Buprestidae | Buprestis | apricans | Herbst |
| Buprestis aurulenta Linnaeus | golden buprestid | COLEOPTERA | Buprestidae | Buprestis | aurulenta | Linnaeus |
| Byturus unicolor Say | raspberry fruitworm | COLEOPTERA | Byturidae | Byturus | unicolor | Say |
| C |
| Cacopsylla buxi (Linnaeus) | boxwood psyllid | HEMIPTERA | Psyllidae | Cacopsylla | buxi | (Linnaeus) |
| Cacopsylla mali (Schmidberger) | apple sucker | HEMIPTERA | Psyllidae | Cacopsylla | mali | (Schmidberger) |
| Cacopsylla negundinis Mally | boxelder psyllid | HEMIPTERA | Psyllidae | Cacopsylla | negundinis | Mally |
| Cacopsylla pyricola Foerster | pear psylla | HEMIPTERA | Psyllidae | Cacopsylla | pyricola | Foerster |
| Cactoblastis cactorum (Berg) | cactus moth | LEPIDOPTERA | Pyralidae | Cactoblastis | cactorum | (Berg) |
| Cadra cautella (Walker) | almond moth | LEPIDOPTERA | Pyralidae | Cadra | cautella | (Walker) |
| Cadra figulilella (Gregson) | raisin moth | LEPIDOPTERA | Pyralidae | Cadra | figulilella | (Gregson) |
| Caenurgina crassiuscula (Haworth) | clover looper | LEPIDOPTERA | Noctuidae | Caenurgina | crassiuscula | (Haworth) |
| Caenurgina erechtea (Cramer) | forage looper | LEPIDOPTERA | Noctuidae | Caenurgina | erechtea | (Cramer) |
| Calepiterimerus thujae (Garman) | tipdwarf mite | ACARI | Eriophyidae | Calepiterimerus | thujae | (Garman) |
| Caliothrips fasciatus (Pergande) | bean thrips | THYSANOPTERA | Thripidae | Caliothrips | fasciatus | (Pergande) |
| Caliroa cerasi (Linnaeus) | pear sawfly | HYMENOPTERA | Tenthredinidae | Caliroa | cerasi | (Linnaeus) |
| Caliroa quercuscoccineae (Dyar) | scarlet oak sawfly | HYMENOPTERA | Tenthredinidae | Caliroa | quercuscoccineae | (Dyar) |
| Callidium antennatum hesperum Casey | blackhorned pine borer | COLEOPTERA | Cerambycidae | Callidium | antennatum hesperum | Casey |
| Calligrapha scalaris (LeConte) | elm calligrapha | COLEOPTERA | Chrysomelidae | Calligrapha | scalaris | (LeConte) |
| Callirhopalus bifasciatus (Roelofs) | twobanded Japanese weevil | COLEOPTERA | Curculionidae | Callirhopalus | bifasciatus | (Roelofs) |
| Callopistria floridensis (Guenée) | Florida fern caterpillar | LEPIDOPTERA | Noctuidae | Callopistria | floridensis | (Guenée) |
| Callosamia promethea (Drury) | promethea moth | LEPIDOPTERA | Saturniidae | Callosamia | promethea | (Drury) |
| Callosobruchus maculatus (Fabricius) | cowpea weevil | COLEOPTERA | Bruchidae | Callosobruchus | maculatus | (Fabricius) |
| Calomycterus setarius Roelofs | imported longhorned weevil | COLEOPTERA | Curculionidae | Calomycterus | setarius | Roelofs |
| Caloptilia azaleella (Brants) | azalea leafminer | LEPIDOPTERA | Gracillariidae | Caloptilia | azaleella | (Brants) |
| Caloptilia cuculipennella (Hübner) | privet leafminer | LEPIDOPTERA | Gracillariidae | Caloptilia | cuculipennella | (Hübner) |
| Caloptilia negundella (Chambers) | boxelder leafroller | LEPIDOPTERA | Gracillariidae | Caloptilia | negundella | (Chambers) |
| Caloptilia syringella (Fabricius) | lilac leafminer | LEPIDOPTERA | Gracillariidae | Caloptilia | syringella | (Fabricius) |
| Calosoma calidum (Fabricius) | fiery hunter | COLEOPTERA | Carabidae | Calosoma | calidum | (Fabricius) |
| Calpodes ethlius (Stoll) | larger canna leafroller | LEPIDOPTERA | Hesperiidae | Calpodes | ethlius | (Stoll) |
| Calycomyza humeralis (Roser) | aster leafminer | DIPTERA | Agromyzidae | Calycomyza | humeralis | (Roser) |
| Cameraria cincinnatiella (Chambers) | gregarious oak leafminer | LEPIDOPTERA | Gracillariidae | Cameraria | cincinnatiella | (Chambers) |
| Cameraria hamadryadella (Clemens) | solitary oak leafminer | LEPIDOPTERA | Gracillariidae | Cameraria | hamadryadella | (Clemens) |
| Camnula pellucida (Scudder) | clearwinged grasshopper | ORTHOPTERA | Acrididae | Camnula | pellucida | (Scudder) |
| Campanulotes bidentatus compar (Burmeister) | small pigeon louse | MALLOPHAGA | Philopteridae | Campanulotes | bidentatus compar | (Burmeister) |
| Camponotus atriceps (Fr. Smith) | Florida carpenter ant | HYMENOPTERA | Formicidae | Camponotus | atriceps | (Fr. Smith) |
| Camponotus chromaiodes Bolton | red carpenter ant | HYMENOPTERA | Formicidae | Camponotus | chromaiodes | Bolton |
| Camponotus pennsylvanicus (De Geer) | black carpenter ant | HYMENOPTERA | Formicidae | Camponotus | pennsylvanicus | (De Geer) |
| Camponotus variegatus (F. Smith) | Hawaiian carpenter ant | HYMENOPTERA | Formicidae | Camponotus | variegatus | (F. Smith) |
| Canonura princeps (Walker) | ponderosa pine bark borer | COLEOPTERA | Cerambycidae | Canonura | princeps | (Walker) |
| Carpoglyphus lactis (Linnaeus) | driedfruit mite | ACARI | Carpoglyphidae | Carpoglyphus | lactis | (Linnaeus) |
| Carpophilus dimidiatus (Fabricius) | corn sap beetle | COLEOPTERA | Nitidulidae | Carpophilus | dimidiatus | (Fabricius) |
| Carpophilus hemipterus (Linnaeus) | driedfruit beetle | COLEOPTERA | Nitidulidae | Carpophilus | hemipterus | (Linnaeus) |
| Carpophilus lugubris Murray | dusky sap beetle | COLEOPTERA | Nitidulidae | Carpophilus | lugubris | Murray |
| Cartodere constricta (Gyllenhal) | plaster beetle | COLEOPTERA | Lathridiidae | Cartodere | constricta | (Gyllenhal) |
| Carulaspis juniperi (Bouché) | juniper scale | HEMIPTERA | Diaspididae | Carulaspis | juniperi | (Bouché) |
| Cathartus quadricollis (Guérin-Méneville) | squarenecked grain beetle | COLEOPTERA | Silvanidae | Cathartus | quadricollis | (Guérin-Méneville) |
| Caulocampus acericaulis (MacGillivray) | maple petiole borer | HYMENOPTERA | Tenthredinidae | Caulocampus | acericaulis | (MacGillivray) |
| Caulophilus oryzae (Gyllenhal) | broadnosed grain weevil | COLEOPTERA | Curculionidae | Caulophilus | oryzae | (Gyllenhal) |
| Cecidomyia resinicoloides Williams | Monterey pine resin midge | DIPTERA | Cecidomyiidae | Cecidomyia | resinicoloides | Williams |
| Cecidophyopsis ribis (Westwood) | currant bud mite | ACARI | Eriophyidae | Cecidophyopsis | ribis | (Westwood) |
| Cepaea nemoralis (Linnaeus) | banded wood snail | STYLOMMATOPHORA | Helicidae | Cepaea | nemoralis | (Linnaeus) |
| Cephalonomia waterstoni Gahan | parasitic grain wasp | HYMENOPTERA | Bethylidae | Cephalonomia | waterstoni | Gahan |
| Cephus cinctus Norton | wheat stem sawfly | HYMENOPTERA | Cephidae | Cephus | cinctus | Norton |
| Cephus pygmaeus (Linnaeus) | European wheat stem sawfly | HYMENOPTERA | Cephidae | Cephus | pygmaeus | (Linnaeus) |
| Cerataphis orchidearum (Westwood) | fringed orchid aphid | HEMIPTERA | Aphididae | Cerataphis | orchidearum | (Westwood) |
| Ceratitis capitata (Wiedemann) | Mediterranean fruit fly | DIPTERA | Tephritidae | Ceratitis | capitata | (Wiedemann) |
| Ceratomia amyntor (Geyer) | elm sphinx | LEPIDOPTERA | Sphingidae | Ceratomia | amyntor | (Geyer) |
| Ceratomia catalpae (Boisduval) | catalpa sphinx | LEPIDOPTERA | Sphingidae | Ceratomia | catalpae | (Boisduval) |
| Ceratophyllus gallinae (Schrank) | European chicken flea | SIPHONAPTERA | Ceratophyllidae | Ceratophyllus | gallinae | (Schrank) |
| Ceratophyllus niger (Fox) | western chicken flea | SIPHONAPTERA | Ceratophyllidae | Ceratophyllus | niger | (Fox) |
| Cerodontha dorsalis (Loew) | grass sheathminer | DIPTERA | Agromyzidae | Cerodontha | dorsalis | (Loew) |
| Ceroplastes cirripediformis Comstock | barnacle scale | HEMIPTERA | Coccidae | Ceroplastes | cirripediformis | Comstock |
| Ceroplastes floridensis Comstock | Florida wax scale | HEMIPTERA | Coccidae | Ceroplastes | floridensis | Comstock |
| Ceroplastes rubens Maskell | red wax scale | HEMIPTERA | Coccidae | Ceroplastes | rubens | Maskell |
| Cerotoma trifurcata (Förster) | bean leaf beetle | COLEOPTERA | Chrysomelidae | Cerotoma | trifurcata | (Förster) |
| Ceutorhynchus assimilis (Paykull) | cabbage seedpod weevil | COLEOPTERA | Curculionidae | Ceutorhynchus | assimilis | (Paykull) |
| Ceutorhynchus quadridens (Panzer) | cabbage seedstalk curculio | COLEOPTERA | Curculionidae | Ceutorhynchus | quadridens | (Panzer) |
| Ceutorhynchus rapae Gyllenhal | cabbage curculio | COLEOPTERA | Curculionidae | Ceutorhynchus | rapae | Gyllenhal |
| Chaetocnema confinis Crotch | sweetpotato flea beetle | COLEOPTERA | Chrysomelidae | Chaetocnema | confinis | Crotch |
| Chaetocnema denticulata (Illiger) | toothed flea beetle | COLEOPTERA | Chrysomelidae | Chaetocnema | denticulata | (Illiger) |
| Chaetocnema ectypa Horn | desert corn flea beetle | COLEOPTERA | Chrysomelidae | Chaetocnema | ectypa | Horn |
| Chaetocnema pulicaria Melsheimer | corn flea beetle | COLEOPTERA | Chrysomelidae | Chaetocnema | pulicaria | Melsheimer |
| Chaetococcus bambusae (Maskell) | bamboo mealybug | HEMIPTERA | Pseudococcidae | Chaetococcus | bambusae | (Maskell) |
| Chaetosiphon fragaefolii (Cockerell) | strawberry aphid | HEMIPTERA | Aphididae | Chaetosiphon | fragaefolii | (Cockerell) |
| Chalcodermus aeneus Boheman | cowpea curculio | COLEOPTERA | Curculionidae | Chalcodermus | aeneus | Boheman |
| Chalcophora angulicollis (LeConte) | sculptured pine borer | COLEOPTERA | Buprestidae | Chalcophora | angulicollis | (LeConte) |
| Chaoborus astictopus Dyar & Shannon | Clear Lake gnat | DIPTERA | Chaoboridae | Chaoborus | astictopus | Dyar & Shannon |
| Cheiracanthium mordax L. Koch | pale leaf spider | ARANEAE | Clubionidae | Cheiracanthium | mordax | L. Koch |
| Chelisoches morio (Fabricius) | black earwig | DERMAPTERA | Chelisochidae | Chelisoches | morio | (Fabricius) |
| Chelopistes meleagridis (Linnaeus) | large turkey louse | MALLOPHAGA | Philopteridae | Chelopistes | meleagridis | (Linnaeus) |
| Chelymorpha cassidea (Fabricius) | argus tortoise beetle | COLEOPTERA | Chrysomelidae | Chelymorpha | cassidea | (Fabricius) |
| Chilo plejadellus Zincken | rice stalk borer | LEPIDOPTERA | Crambidae | Chilo | plejadellus | Zincken |
| Chilo suppressalis (Walker) | Asiatic rice borer | LEPIDOPTERA | Crambidae | Chilo | suppressalis | (Walker) |
| Chilocorus stigma (Say) | twicestabbed lady beetle | COLEOPTERA | Coccinellidae | Chilocorus | stigma | (Say) |
| Chionaspis americana Johnson | elm scurfy scale | HEMIPTERA | Diaspididae | Chionaspis | americana | Johnson |
| Chionaspis corni Cooley | dogwood scale | HEMIPTERA | Diaspididae | Chionaspis | corni | Cooley |
| Chionaspis furfura (Fitch) | scurfy scale | HEMIPTERA | Diaspididae | Chionaspis | furfura | (Fitch) |
| Chionaspis pinifoliae (Fitch) | pine needle scale | HEMIPTERA | Diaspididae | Chionaspis | pinifoliae | (Fitch) |
| Chlamydatus associatus (Uhler) | ragweed plant bug | HEMIPTERA | Miridae | Chlamydatus | associatus | (Uhler) |
| Chlorochroa ligata (Say) | conchuela | HEMIPTERA | Pentatomidae | Chlorochroa | ligata | (Say) |
| Chlorochroa sayi (Stål) | Say stink bug | HEMIPTERA | Pentatomidae | Chlorochroa | sayi | (Stål) |
| Chlorophorus annularis (Fabricius) | bamboo borer | COLEOPTERA | Cerambycidae | Chlorophorus | annularis | (Fabricius) |
| Choreutis pariana (Clerck) | apple-and-thorn skeletonizer | LEPIDOPTERA | Choreutidae | Choreutis | pariana | (Clerck) |
| Choristoneura conflictana (Walker) | large aspen tortrix | LEPIDOPTERA | Tortricidae | Choristoneura | conflictana | (Walker) |
| Choristoneura fumiferana (Clemens) | spruce budworm | LEPIDOPTERA | Tortricidae | Choristoneura | fumiferana | (Clemens) |
| Choristoneura lambertiana (Busck) | western pine budworm | LEPIDOPTERA | Tortricidae | Choristoneura | lambertiana | (Busck) |
| Choristoneura occidentalis Freeman | western spruce budworm | LEPIDOPTERA | Tortricidae | Choristoneura | occidentalis | Freeman |
| Choristoneura pinus Freeman | jack pine budworm | LEPIDOPTERA | Tortricidae | Choristoneura | pinus | Freeman |
| Choristoneura retiniana (Walshingham) | Modoc budworm | LEPIDOPTERA | Tortricidae | Choristoneura | retiniana | (Walshingham) |
| Choristoneura rosaceana (Harris) | obliquebanded leafroller | LEPIDOPTERA | Tortricidae | Choristoneura | rosaceana | (Harris) |
| Chortophaga viridifasciata (De Geer) | greenstriped grasshopper | ORTHOPTERA | Acrididae | Chortophaga | viridifasciata | (De Geer) |
| Chromaphis juglandicola (Kaltenbach) | walnut aphid | HEMIPTERA | Aphididae | Chromaphis | juglandicola | (Kaltenbach) |
| Chromatomyia syngenesiae Hardy | chrysanthemum leafminer | DIPTERA | Agromyzidae | Chromatomyia | syngenesiae | Hardy |
| Chrysobothris femorata (Olivier) | flatheaded appletree borer | COLEOPTERA | Buprestidae | Chrysobothris | femorata | (Olivier) |
| Chrysobothris mali Horn | Pacific flatheaded borer | COLEOPTERA | Buprestidae | Chrysobothris | mali | Horn |
| Chrysobothris tranquebarica (Gmelin) | Australian pine borer | COLEOPTERA | Buprestidae | Chrysobothris | tranquebarica | (Gmelin) |
| Chrysodeixis eriosoma (Doubleday) | green garden looper | LEPIDOPTERA | Noctuidae | Chrysodeixis | eriosoma | (Doubleday) |
| Chrysolina quadrigemina (Suffrian) | Klamathweed beetle | COLEOPTERA | Chrysomelidae | Chrysolina | quadrigemina | (Suffrian) |
| Chrysomela crotchi Brown | aspen leaf beetle | COLEOPTERA | Chrysomelidae | Chrysomela | crotchi | Brown |
| Chrysomela scripta Fabricius | cottonwood leaf beetle | COLEOPTERA | Chrysomelidae | Chrysomela | scripta | Fabricius |
| Chrysomphalus aonidum (Linnaeus) | Florida red scale | HEMIPTERA | Diaspididae | Chrysomphalus | aonidum | (Linnaeus) |
| Chrysomphalus dictyospermi (Morgan) | dictyospermum scale | HEMIPTERA | Diaspididae | Chrysomphalus | dictyospermi | (Morgan) |
| Chrysomya rufifacies (Macquart) | hairy maggot blow fly | DIPTERA | Calliphoridae | Chrysomya | rufifacies | (Macquart) |
| Chrysopa oculata Say | goldeneyed lacewing | NEUROPTERA | Chrysopidae | Chrysopa | oculata | Say |
| Chrysoperla comanche (Banks) | Comanche lacewing | NEUROPTERA | Chrysopidae | Chrysoperla | comanche | (Banks) |
| Chrysoperla plorabunda (Fitch) | common green lacewing | NEUROPTERA | Chrysopidae | Chrysoperla | plorabunda | (Fitch) |
| Chrysophana placida conicola Van Dyke | flatheaded cone borer | COLEOPTERA | Buprestidae | Chrysophana | placida conicola | Van Dyke |
| Chrysoteuchia topiaria (Zeller) | cranberry girdler | LEPIDOPTERA | Crambidae | Chrysoteuchia | topiaria | (Zeller) |
| Cicindela nevadica lincolniana Casey | Salt Creek tiger beetle | COLEOPTERA | Cicindelidae | Cicindela nevadica | lincolniana | Casey |
| Cimbex americana Leach | elm sawfly | HYMENOPTERA | Cimbicidae | Cimbex | americana | Leach |
| Cimex lectularius Linnaeus | bed bug | HEMIPTERA | Cimicidae | Cimex | lectularius | Linnaeus |
| Cinara atlantica (Wilson) | Carolina conifer aphid | HEMIPTERA | Aphididae | Cinara | atlantica | (Wilson) |
| Cinara fornacula Hottes | green spruce aphid | HEMIPTERA | Aphididae | Cinara | fornacula | Hottes |
| Cinara laricis (Hartig) | larch aphid | HEMIPTERA | Aphididae | Cinara | laricis | (Hartig) |
| Cinara strobi (Fitch) | white pine aphid | HEMIPTERA | Aphididae | Cinara | strobi | (Fitch) |
| Cingilia catenaria (Drury) | chainspotted geometer | LEPIDOPTERA | Geometridae | Cingilia | catenaria | (Drury) |
| Circulifer tenellus (Baker) | beet leafhopper | HEMIPTERA | Cicadellidae | Circulifer | tenellus | (Baker) |
| Citheronia regalis (Fabricius) | regal moth2 | LEPIDOPTERA | Saturniidae | Citheronia | regalis | (Fabricius) |
| Cladius difformis (Panzer) | bristly roseslug | HYMENOPTERA | Tenthredinidae | Cladius | difformis | (Panzer) |
| Clastoptera achatina Germar | pecan spittlebug | HEMIPTERA | Cercopidae | Clastoptera | achatina | Germar |
| Clastoptera obtusa (Say) | alder spittlebug | HEMIPTERA | Cercopidae | Clastoptera | obtusa | (Say) |
| Clastoptera proteus Fitch | dogwood spittlebug | HEMIPTERA | Cercopidae | Clastoptera | proteus | Fitch |
| Clastoptera saintcyri Provancher | heath spittlebug | HEMIPTERA | Cercopidae | Clastoptera | saintcyri | Provancher |
| Clastoptera xanthocephala Germar | sunflower spittlebug | HEMIPTERA | Cercopidae | Clastoptera | xanthocephala | Germar |
| Clinodiplosis rhododendri (Felt) | rhododendron gall midge | DIPTERA | Cecidomyiidae | Clinodiplosis | rhododendri | (Felt) |
| Clivina impressifrons LeConte | slender seedcorn beetle | COLEOPTERA | Carabidae | Clivina | impressifrons | LeConte |
| Clostera inclusa (Hübner) | poplar tentmaker | LEPIDOPTERA | Notodontidae | Clostera | inclusa | (Hübner) |
| Clytoleptus albofasciatus (Laporte & Gory) | grape trunk borer | COLEOPTERA | Cerambycidae | Clytoleptus | albofasciatus | (Laporte & Gory) |
| Cnephasia longana (Haworth) | omnivorous leaftier | LEPIDOPTERA | Tortricidae | Cnephasia | longana | (Haworth) |
| Cnephia pecuarum (Riley) | southern buffalo gnat | DIPTERA | Simuliidae | Cnephia | pecuarum | (Riley) |
| Cnidocampa flavescens (Walker) | oriental moth | LEPIDOPTERA | Limacodidae | Cnidocampa | flavescens | (Walker) |
| Coccinella septempunctata Linnaeus | sevenspotted lady beetle | COLEOPTERA | Coccinellidae | Coccinella | septempunctata | Linnaeus |
| Coccinella transversoguttata richardsoni Brown | transverse lady beetle | COLEOPTERA | Coccinellidae | Coccinella | transversoguttata richardsoni | Brown |
| Coccotorus hirsutus Bruner | sandcherry weevil | COLEOPTERA | Curculionidae | Coccotorus | hirsutus | Bruner |
| Coccotorus scutellaris (LeConte) | plum gouger | COLEOPTERA | Curculionidae | Coccotorus | scutellaris | (LeConte) |
| Coccus hesperidum Linnaeus | brown soft scale | HEMIPTERA | Coccidae | Coccus | hesperidum | Linnaeus |
| Coccus longulus (Douglas) | long brown scale | HEMIPTERA | Coccidae | Coccus | longulus | (Douglas) |
| Coccus pseudomagnoliarum (Kuwana) | citricola scale | HEMIPTERA | Coccidae | Coccus | pseudomagnoliarum | (Kuwana) |
| Coccus viridis (Green) | green scale | HEMIPTERA | Coccidae | Coccus | viridis | (Green) |
| Cochliomyia hominivorax (Coquerel) | screwworm | DIPTERA | Calliphoridae | Cochliomyia | hominivorax | (Coquerel) |
| Cochliomyia macellaria (Fabricius) | secondary screwworm | DIPTERA | Calliphoridae | Cochliomyia | macellaria | (Fabricius) |
| Cochylis hospes Walsingham | banded sunflower moth | LEPIDOPTERA | Tortricidae | Cochylis | hospes | Walsingham |
| Coelophora inaequalis (Fabricius) | common Australian lady beetle | COLEOPTERA | Coccinellidae | Coelophora | inaequalis | (Fabricius) |
| Colaspis brunnea (Fabricius) | grape colaspis | COLEOPTERA | Chrysomelidae | Colaspis | brunnea | (Fabricius) |
| Colaspis pini Barber | pine colaspis | COLEOPTERA | Chrysomelidae | Colaspis | pini | Barber |
| Coleophora laricella (Hübner) | larch casebearer | LEPIDOPTERA | Coleophoridae | Coleophora | laricella | (Hübner) |
| Coleophora laticornella Clemens | pecan cigar casebearer | LEPIDOPTERA | Coleophoridae | Coleophora | laticornella | Clemens |
| Coleophora malivorella Riley | pistol casebearer | LEPIDOPTERA | Coleophoridae | Coleophora | malivorella | Riley |
| Coleophora pruniella Clemens | cherry casebearer | LEPIDOPTERA | Coleophoridae | Coleophora | pruniella | Clemens |
| Coleophora serratella (Linnaeus) | birch casebearer3 | LEPIDOPTERA | Coleophoridae | Coleophora | serratella | (Linnaeus) |
| Coleophora ulmifoliella McDunnough | elm casebearer | LEPIDOPTERA | Coleophoridae | Coleophora | ulmifoliella | McDunnough |
| Coleotechnites milleri (Busck) | lodgepole needleminer | LEPIDOPTERA | Gelechiidae | Coleotechnites | milleri | (Busck) |
| Coleotichus blackburniae White | koa bug | HEMIPTERA | Pentatomidae | Coleotichus | blackburniae | White |
| Colias eurytheme Boisduval | alfalfa caterpillar | LEPIDOPTERA | Pieridae | Colias | eurytheme | Boisduval |
| Colias philodice Godart | clouded sulfur | LEPIDOPTERA | Pieridae | Colias | philodice | Godart |
| Colladonus clitellarius (Say) | saddled leafhopper | HEMIPTERA | Cicadellidae | Colladonus | clitellarius | (Say) |
| Colladonus montanus (Van Duzee) | mountain leafhopper | HEMIPTERA | Cicadellidae | Colladonus | montanus | (Van Duzee) |
| Colomerus gardeniella (Keifer) | gardenia bud mite | ACARI | Eriophyidae | Colomerus | gardeniella | (Keifer) |
| Colomerus vitis (Pagenstecher) | grape erineum mite | ACARI | Eriophyidae | Colomerus | vitis | (Pagenstecher) |
| Colopha ulmicola (Fitch) | elm cockscombgall aphid | HEMIPTERA | Aphididae | Colopha | ulmicola | (Fitch) |
| Coloradia pandora Blake | pandora moth | LEPIDOPTERA | Saturniidae | Coloradia | pandora | Blake |
| Columbicola columbae (Linnaeus) | slender pigeon louse | MALLOPHAGA | Philopteridae | Columbicola | columbae | (Linnaeus) |
| Compasus auricephalus (Say) | goldenheaded weevil | COLEOPTERA | Curculionidae | Compasus | auricephalus | (Say) |
| Conoderus amplicollis (Gyllenhal) | Gulf wireworm | COLEOPTERA | Elateridae | Conoderus | amplicollis | (Gyllenhal) |
| Conoderus falli (Lane) | southern potato wireworm | COLEOPTERA | Elateridae | Conoderus | falli | (Lane) |
| Conoderus vespertinus (Fabricius) | tobacco wireworm | COLEOPTERA | Elateridae | Conoderus | vespertinus | (Fabricius) |
| Conophthorus coniperda (Schwarz) | white pine cone beetle | COLEOPTERA | Curculionidae | Conophthorus | coniperda | (Schwarz) |
| Conophthorus edulis Hopkins | pinon cone beetle | COLEOPTERA | Curculionidae | Conophthorus | edulis | Hopkins |
| Conophthorus ponderosae Hopkins | ponderosa pine cone beetle4 | COLEOPTERA | Curculionidae | Conophthorus | ponderosae | Hopkins |
| Conophthorus radiatae Hopkins | Monterey pine cone beetle | COLEOPTERA | Curculionidae | Conophthorus | radiatae | Hopkins |
| Conophthorus resinosae Hopkins | red pine cone beetle5 | COLEOPTERA | Curculionidae | Conophthorus | resinosae | Hopkins |
| Conotrachelus crataegi Walsh | quince curculio | COLEOPTERA | Curculionidae | Conotrachelus | crataegi | Walsh |
| Conotrachelus juglandis LeConte | butternut curculio | COLEOPTERA | Curculionidae | Conotrachelus | juglandis | LeConte |
| Conotrachelus nenuphar (Herbst) | plum curculio | COLEOPTERA | Curculionidae | Conotrachelus | nenuphar | (Herbst) |
| Conotrachelus retentus (Say) | black walnut curculio | COLEOPTERA | Curculionidae | Conotrachelus | retentus | (Say) |
| Contarinia bromicola (Marikovskij &Agafonova) | bromegrass seed midge | DIPTERA | Cecidomyiidae | Contarinia | bromicola | (Marikovskij &Agafonova) |
| Contarinia catalpae (Comstock) | catalpa midge | DIPTERA | Cecidomyiidae | Contarinia | catalpae | (Comstock) |
| Contarinia johnsoni Felt | grape blossom midge | DIPTERA | Cecidomyiidae | Contarinia | johnsoni | Felt |
| Contarinia juniperina Felt | juniper midge | DIPTERA | Cecidomyiidae | Contarinia | juniperina | Felt |
| Contarinia nasturtii Kieffer | Swede midge | DIPTERA | Cecidomyiidae | Contarinia | nasturtii | Kieffer |
| Contarinia oregonensis Foote | Douglas-fir cone gall midge | DIPTERA | Cecidomyiidae | Contarinia | oregonensis | Foote |
| Contarinia pyrivora (Riley) | pear midge | DIPTERA | Cecidomyiidae | Contarinia | pyrivora | (Riley) |
| Contarinia schulzi Gagné | sunflower midge | DIPTERA | Cecidomyiidae | Contarinia | schulzi | Gagné |
| Contarinia sorghicola (Coquillett) | sorghum midge | DIPTERA | Cecidomyiidae | Contarinia | sorghicola | (Coquillett) |
| Contarinia texana (Felt) | guar midge | DIPTERA | Cecidomyiidae | Contarinia | texana | (Felt) |
| Contarinia virginianae (Felt) | chokecherry midge | DIPTERA | Cecidomyiidae | Contarinia | virginianae | (Felt) |
| Contarinia washingtonensis Johnson | Douglas-fir cone scale midge | DIPTERA | Cecidomyiidae | Contarinia | washingtonensis | Johnson |
| Copris incertus prociduus (Say) | black dung beetle | COLEOPTERA | Scarabaeidae | Copris | incertus prociduus | (Say) |
| Coptodisca splendoriferella (Clemens) | resplendent shield bearer | LEPIDOPTERA | Heliozelidae | Coptodisca | splendoriferella | (Clemens) |
| Coptosoma xanthogramma (White) | black stink bug | HEMIPTERA | Plataspidae | Coptosoma | xanthogramma | (White) |
| Coptotermes formosanus Shiraki | Formosan subterranean termite | ISOPTERA | Rhinotermitidae | Coptotermes | formosanus | Shiraki |
| Corcyra cephalonica (Stainton) | rice moth | LEPIDOPTERA | Pyralidae | Corcyra | cephalonica | (Stainton) |
| Corimelaena pulicaria (Germar) | black bug | HEMIPTERA | Thyreocoridae | Corimelaena | pulicaria | (Germar) |
| Corthylus columbianus Hopkins | Columbian timber beetle | COLEOPTERA | Curculionidae | Corthylus | columbianus | Hopkins |
| Corydalus cornutus (Linnaeus) | dobsonfly6 | NEUROPTERA | Corydalidae | Corydalus | cornutus | (Linnaeus) |
| Corythucha arcuata (Say) | oak lace bug | HEMIPTERA | Tingidae | Corythucha | arcuata | (Say) |
| Corythucha celtidis Osborn & Drake | hackberry lace bug | HEMIPTERA | Tingidae | Corythucha | celtidis | Osborn & Drake |
| Corythucha ciliata (Say) | sycamore lace bug | HEMIPTERA | Tingidae | Corythucha | ciliata | (Say) |
| Corythucha cydoniae (Fitch) | hawthorn lace bug | HEMIPTERA | Tingidae | Corythucha | cydoniae | (Fitch) |
| Corythucha gossypii (Fabricius) | cotton lace bug | HEMIPTERA | Tingidae | Corythucha | gossypii | (Fabricius) |
| Corythucha marmorata (Uhler) | chrysanthemum lace bug | HEMIPTERA | Tingidae | Corythucha | marmorata | (Uhler) |
| Corythucha morrilli Osborn & Drake | Morrill lace bug | HEMIPTERA | Tingidae | Corythucha | morrilli | Osborn & Drake |
| Corythucha ulmi Osborn & Drake | elm lace bug | HEMIPTERA | Tingidae | Corythucha | ulmi | Osborn & Drake |
| Cosmopolites sordidus (Germar) | banana root borer | COLEOPTERA | Curculionidae | Cosmopolites | sordidus | (Germar) |
| Cossula magnifica (Strecker) | pecan carpenterworm | LEPIDOPTERA | Cossidae | Cossula | magnifica | (Strecker) |
| Cotinis nitida (Linnaeus) | green June beetle | COLEOPTERA | Scarabaeidae | Cotinis | nitida | (Linnaeus) |
| Crambus caliginosellus Clemens | corn root webworm | LEPIDOPTERA | Crambidae | Crambus | caliginosellus | Clemens |
| Craponius inaequalis (Say) | grape curculio | COLEOPTERA | Curculionidae | Craponius | inaequalis | (Say) |
| Cremastobombycia lantanella Busck | lantana leafminer | LEPIDOPTERA | Gracillariidae | Cremastobombycia | lantanella | Busck |
| Creophilus maxillosus (Linnaeus) | hairy rove beetle | COLEOPTERA | Staphylinidae | Creophilus | maxillosus | (Linnaeus) |
| Crioceris asparagi (Linnaeus) | asparagus beetle | COLEOPTERA | Chrysomelidae | Crioceris | asparagi | (Linnaeus) |
| Crioceris duodecimpunctata (Linnaeus) | spotted asparagus beetle | COLEOPTERA | Chrysomelidae | Crioceris | duodecimpunctata | (Linnaeus) |
| Croesia semipurpurana (Kearfott) | oak leaftier | LEPIDOPTERA | Tortricidae | Croesia | semipurpurana | (Kearfott) |
| Croesus latitarsus Norton | dusky birch sawfly | HYMENOPTERA | Tenthredinidae | Croesus | latitarsus | Norton |
| Cryptoblabes gnidiella (Millière) | Christmas berry webworm | LEPIDOPTERA | Pyralidae | Cryptoblabes | gnidiella | (Millière) |
| Cryptococcus fagisuga Lindinger | beech scale | HEMIPTERA | Eriococcidae | Cryptococcus | fagisuga | Lindinger |
| Cryptolaemus montrouzieri Mulsant | mealybug destroyer | COLEOPTERA | Coccinellidae | Cryptolaemus | montrouzieri | Mulsant |
| Cryptolestes ferrugineus (Stephens) | rusty grain beetle | COLEOPTERA | Laemophloeidae | Cryptolestes | ferrugineus | (Stephens) |
| Cryptolestes pusillus (Schönherr) | flat grain beetle | COLEOPTERA | Laemophloeidae | Cryptolestes | pusillus | (Schönherr) |
| Cryptomphalus aspersus (Müller) | brown garden snail | STYLOMMATOPHORA | Helicidae | Cryptomphalus | aspersus | (Müller) |
| Cryptomyzus ribis (Linnaeus) | currant aphid | HEMIPTERA | Aphididae | Cryptomyzus | ribis | (Linnaeus) |
| Cryptophagus acutangulus Gyllenhal | acute-angled fungus beetle | COLEOPTERA | Cryptophagidae | Cryptophagus | acutangulus | Gyllenhal |
| Cryptophagus varus Woodroffe & Coombs | Sigmoid fungus beetle | COLEOPTERA | Cryptophagidae | Cryptophagus | varus | Woodroffe & Coombs |
| Cryptophlebia illepida (Butler) | koa seedworm | LEPIDOPTERA | Tortricidae | Cryptophlebia | illepida | (Butler) |
| Cryptophlebia ombrodelta (Lower) | litchi fruit moth | LEPIDOPTERA | Tortricidae | Cryptophlebia | ombrodelta | (Lower) |
| Cryptorhynchus lapathi (Linnaeus) | poplar-and-willow borer | COLEOPTERA | Curculionidae | Cryptorhynchus | lapathi | (Linnaeus) |
| Cryptorhynchus mangiferae (Fabricius) | mango weevil | COLEOPTERA | Curculionidae | Cryptorhynchus | mangiferae | (Fabricius) |
| Ctenicera aeripennis aeripennis (Kirby) | Puget Sound wireworm | COLEOPTERA | Elateridae | Ctenicera | aeripennis aeripennis | (Kirby) |
| Ctenicera aeripennis destructor (Brown) | prairie grain wireworm | COLEOPTERA | Elateridae | Ctenicera | aeripennis destructor | (Brown) |
| Ctenicera glauca (Germar) | dryland wireworm | COLEOPTERA | Elateridae | Ctenicera | glauca | (Germar) |
| Ctenicera pruinina (Horn) | Great Basin wireworm | COLEOPTERA | Elateridae | Ctenicera | pruinina | (Horn) |
| Ctenocephalides canis (Curtis) | dog flea | SIPHONAPTERA | Pulicidae | Ctenocephalides | canis | (Curtis) |
| Ctenocephalides felis (Bouché) | cat flea | SIPHONAPTERA | Pulicidae | Ctenocephalides | felis | (Bouché) |
| Cuclotogaster heterographus (Nitzsch) | chicken head louse | MALLOPHAGA | Philopteridae | Cuclotogaster | heterographus | (Nitzsch) |
| Culex pipiens Linnaeus | northern house mosquito | DIPTERA | Culicidae | Culex | pipiens | Linnaeus |
| Culex quinquefasciatus Say | southern house mosquito | DIPTERA | Culicidae | Culex | quinquefasciatus | Say |
| Curculio caryae (Horn) | pecan weevil | COLEOPTERA | Curculionidae | Curculio | caryae | (Horn) |
| Curculio caryatrypes (Boheman) | large chestnut weevil | COLEOPTERA | Curculionidae | Curculio | caryatrypes | (Boheman) |
| Curculio obtusus (Blanchard) | hazelnut weevil | COLEOPTERA | Curculionidae | Curculio | obtusus | (Blanchard) |
| Curculio occidentis (Casey) | filbert weevil | COLEOPTERA | Curculionidae | Curculio | occidentis | (Casey) |
| Curculio sayi (Gyllenhal) | small chestnut weevil | COLEOPTERA | Curculionidae | Curculio | sayi | (Gyllenhal) |
| Cyclocephala borealis Arrow | northern masked chafer | COLEOPTERA | Scarabaeidae | Cyclocephala | borealis | Arrow |
| Cyclocephala immaculata (Olivier) | southern masked chafer | COLEOPTERA | Scarabaeidae | Cyclocephala | immaculata | (Olivier) |
| Cydia anaranjada (Miller) | slash pine seedworm | LEPIDOPTERA | Tortricidae | Cydia | anaranjada | (Miller) |
| Cydia bracteatana (Fernald) | fir seed moth | LEPIDOPTERA | Tortricidae | Cydia | bracteatana | (Fernald) |
| Cydia caryana (Fitch) | hickory shuckworm | LEPIDOPTERA | Tortricidae | Cydia | caryana | (Fitch) |
| Cydia ingens (Heinrich) | longleaf pine seedworm | LEPIDOPTERA | Tortricidae | Cydia | ingens | (Heinrich) |
| Cydia latiferreana (Walsingham) | filbertworm | LEPIDOPTERA | Tortricidae | Cydia | latiferreana | (Walsingham) |
| Cydia nigricana (Fabricius) | pea moth | LEPIDOPTERA | Tortricidae | Cydia | nigricana | (Fabricius) |
| Cydia piperana Kearfott | ponderosa pine seedworm | LEPIDOPTERA | Tortricidae | Cydia | piperana | Kearfott |
| Cydia pomonella (Linnaeus) | codling moth | LEPIDOPTERA | Tortricidae | Cydia | pomonella | (Linnaeus) |
| Cydia strobilella (Linnaeus) | spruce seed moth | LEPIDOPTERA | Tortricidae | Cydia | strobilella | (Linnaeus) |
| Cydia toreuta (Grote) | eastern pine seedworm | LEPIDOPTERA | Tortricidae | Cydia | toreuta | (Grote) |
| Cylas formicarius elegantulus (Summers) | sweetpotato weevil | COLEOPTERA | Curculionidae | Cylas | formicarius elegantulus | (Summers) |
| Cylindrocopturus adspersus (LeConte) | sunflower stem weevil | COLEOPTERA | Curculionidae | Cylindrocopturus | adspersus | (LeConte) |
| Cylindrocopturus furnissi Buchanan | Douglas-fir twig weevil | COLEOPTERA | Curculionidae | Cylindrocopturus | furnissi | Buchanan |
| Cynaeus angustus (LeConte) | larger black flour beetle | COLEOPTERA | Tenebrionidae | Cynaeus | angustus | (LeConte) |
| Cyrtepistomus castaneus (Roelofs) | Asiatic oak weevil | COLEOPTERA | Curculionidae | Cyrtepistomus | castaneus | (Roelofs) |
| D |
| Dactylopius coccus Costa | cochineal insect | HEMIPTERA | Dactylopiidae | Dactylopius | coccus | Costa |
| Dactynotus rudbeckiae (Fitch) | goldenglow aphid | HEMIPTERA | Aphididae | Dactynotus | rudbeckiae | (Fitch) |
| Daktulosphaira vitifoliae (Fitch) | grape phylloxera | HEMIPTERA | Phylloxeridae | Daktulosphaira | vitifoliae | (Fitch) |
| Dalbulus maidis (DeLong & Wolcott) | corn leafhopper | HEMIPTERA | Cicadellidae | Dalbulus | maidis | (DeLong & Wolcott) |
| Dalbulus quinquenotatus DeLong & Nault | fivespotted gamagrass leafhopper | HEMIPTERA | Cicadellidae. | Dalbulus | quinquenotatus | DeLong & Nault |
| Danaus plexippus (Linnaeus) | monarch butterfly | LEPIDOPTERA | Danaidae | Danaus | plexippus | (Linnaeus) |
| Daphnis nerii (Linnaeus) | oleander hawk moth | LEPIDOPTERA | Sphingidae | Daphnis | nerii | (Linnaeus) |
| Darapsa myron (Cramer) | Virginiacreeper sphinx | LEPIDOPTERA | Sphingidae | Darapsa | myron | (Cramer) |
| Dasineura leguminicola (Lintner) | clover seed midge | DIPTERA | Cecidomyiidae | Dasineura | leguminicola | (Lintner) |
| Dasineura oxycoccana (Johnson) | blueberry gall midge | DIPTERA | Cecidomyiidae | Dasineura | oxycoccana | (Johnson) |
| Dasineura rhodophaga (Coquillett) | rose midge | DIPTERA | Cecidomyiidae | Dasineura | rhodophaga | (Coquillett) |
| Dasineura swainei (Felt) | spruce bud midge | DIPTERA | Cecidomyiidae | Dasineura | swainei | (Felt) |
| Dasineura trifolii (Loew) | clover leaf midge | DIPTERA | Cecidomyiidae | Dasineura | trifolii | (Loew) |
| Dasychira pinicola (Dyar) | pine tussock moth | LEPIDOPTERA | Lymantriidae | Dasychira | pinicola | (Dyar) |
| Datana integerrima Grote & Robinson | walnut caterpillar | LEPIDOPTERA | Notodontidae | Datana | integerrima | Grote & Robinson |
| Datana major Grote & Robinson | azalea caterpillar | LEPIDOPTERA | Notodontidae | Datana | major | Grote & Robinson |
| Datana ministra (Drury) | yellownecked caterpillar | LEPIDOPTERA | Notodontidae | Datana | ministra | (Drury) |
| Deinocerites cancer Theobald | crabhole mosquito | DIPTERA | Culicidae | Deinocerites | cancer | Theobald |
| Delia antiqua (Meigen) | onion maggot | DIPTERA | Anthomyiidae | Delia | antiqua | (Meigen) |
| Delia brunnescens (Zetterstedt) | carnation maggot | DIPTERA | Anthomyiidae | Delia | brunnescens | (Zetterstedt) |
| Delia echinata (Séguy) | carnation tip maggot | DIPTERA | Anthomyiidae | Delia | echinata | (Séguy) |
| Delia floralis (Fallén) | turnip maggot | DIPTERA | Anthomyiidae | Delia | floralis | (Fallén) |
| Delia florilega (Zetterstedt) | bean seed maggot | DIPTERA | Anthomyiidae | Delia | florilega | (Zetterstedt) |
| Delia platura (Meigen) | seedcorn maggot | DIPTERA | Anthomyiidae | Delia | platura | (Meigen) |
| Delia radicum (Linnaeus) | cabbage maggot | DIPTERA | Anthomyiidae | Delia | radicum | (Linnaeus) |
| Deloyala guttata (Olivier) | mottled tortoise beetle | COLEOPTERA | Chrysomelidae | Deloyala | guttata | (Olivier) |
| Delta campaniforme campaniforme (Fabricius) | yellow and black potter wasp | HYMENOPTERA | Vespidae | Delta | campaniforme campaniforme | (Fabricius) |
| Delta latreillei petiolare (Schulz) | orangetailed potter wasp | HYMENOPTERA | Vespidae | Delta | latreillei petiolare | (Schulz) |
| Delta pyriforme philippinense (Bequaert) | black potter wasp | HYMENOPTERA | Vespidae | Delta | pyriforme philippinense | (Bequaert) |
| Deltocephalus hospes Kirkaldy | lawn leafhopper | HEMIPTERA | Cicadellidae | Deltocephalus | hospes | Kirkaldy |
| Demodex bovis Stiles | cattle follicle mite | ACARI | Demodicidae | Demodex | bovis | Stiles |
| Demodex brevis Bulanova | lesser follicle mite | ACARI | Demodicidae | Demodex | brevis | Bulanova |
| Demodex canis Leydig | dog follicle mite | ACARI | Demodicidae | Demodex | canis | Leydig |
| Demodex caprae Railliet | goat follicle mite | ACARI | Demodicidae | Demodex | caprae | Railliet |
| Demodex cati Mégnin | cat follicle mite | ACARI | Demodicidae | Demodex | cati | Mégnin |
| Demodex equi Railliet | horse follicle mite | ACARI | Demodicidae | Demodex | equi | Railliet |
| Demodex folliculorum (Simon) | follicle mite | ACARI | Demodicidae | Demodex | folliculorum | (Simon) |
| Demodex ovis Railliet | sheep follicle mite | ACARI | Demodicidae | Demodex | ovis | Railliet |
| Demodex phylloides Csokor | hog follicle mite | ACARI | Demodicidae | Demodex | phylloides | Csokor |
| Dendroctonus adjunctus Blandford | roundheaded pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | adjunctus | Blandford |
| Dendroctonus approximatus Dietz | larger Mexican pine beetle | COLEOPTERA | Scolytidnae | Dendroctonus | approximatus | Dietz |
| Dendroctonus brevicomis LeConte | western pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | brevicomis | LeConte |
| Dendroctonus frontalis Zimmermann | southern pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | frontalis | Zimmermann |
| Dendroctonus jeffreyi Hopkins | Jeffrey pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | jeffreyi | Hopkins |
| Dendroctonus mexicanus Hopkins | smaller Mexican pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | mexicanus | Hopkins |
| Dendroctonus micans (Kugelann) | European spruce beetle | COLEOPTERA | Curculionidae | Dendroctonus | micans | (Kugelann) |
| Dendroctonus murrayanae Hopkins | lodgepole pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | murrayanae | Hopkins |
| Dendroctonus ponderosae Hopkins | mountain pine beetle | COLEOPTERA | Curculionidae | Dendroctonus | ponderosae | Hopkins |
| Dendroctonus pseudotsugae Hopkins | Douglas-fir beetle | COLEOPTERA | Curculionidae | Dendroctonus | pseudotsugae | Hopkins |
| Dendroctonus punctatus LeConte | boreal spruce beetle | COLEOPTERA | Curculionidae | Dendroctonus | punctatus | LeConte |
| Dendroctonus punctatus LeConte | boreal spruce beetle | COLEOPTERA | Curculionidae | Dendroctonus | punctatus | LeConte |
| Dendroctonus rufipennis Kirby | spruce beetle | COLEOPTERA | Curculionidae | Dendroctonus | rufipennis | Kirby |
| Dendroctonus simplex LeConte | eastern larch beetle | COLEOPTERA | Curculionidae | Dendroctonus | simplex | LeConte |
| Dendroctonus terebrans (Olivier) | black turpentine beetle | COLEOPTERA | Curculionidae | Dendroctonus | terebrans | (Olivier) |
| Dendroctonus valens LeConte | red turpentine beetle | COLEOPTERA | Curculionidae | Dendroctonus | valens | LeConte |
| Dendroleon obsoletus (Say) | spottedwinged antlion | NEUROPTERA | Myrmeleontidae | Dendroleon | obsoletus | (Say) |
| Dendrothrips ornatus (Jablonowski) | privet thrips | THYSANOPTERA | Thripidae | Dendrothrips | ornatus | (Jablonowski) |
| Depressaria pastinacella (Duponchel) | parsnip webworm | LEPIDOPTERA | Oecophoridae | Depressaria | pastinacella | (Duponchel) |
| Dermacentor albipictus (Packard) | winter tick | ACARI | Ixodidae | Dermacentor | albipictus | (Packard) |
| Dermacentor andersoni Stiles | Rocky Mountain wood tick | ACARI | Ixodidae | Dermacentor | andersoni | Stiles |
| Dermacentor occidentalis Marx | Pacific Coast tick | ACARI | Ixodidae | Dermacentor | occidentalis | Marx |
| Dermacentor variabilis (Say) | American dog tick | ACARI | Ixodidae | Dermacentor | variabilis | (Say) |
| Dermanyssus gallinae (De Geer) | chicken mite | ACARI | Dermanyssidae | Dermanyssus | gallinae | (De Geer) |
| Dermatobia hominis (Linnaeus, Jr.) | torsalo | DIPTERA | Oestridae | Dermatobia | hominis | (Linnaeus, Jr.) |
| Dermatophagoides farinae Hughes | American house dust mite | ACARI | Epidermoptidae | Dermatophagoides | farinae | Hughes |
| Dermatophagoides pteronyssinus (Trouessart) | European house dust mite | ACARI | Epidermoptidae | Dermatophagoides | pteronyssinus | (Trouessart) |
| Dermestes ater De Geer | black larder beetle | COLEOPTERA | Dermestidae | Dermestes | ater | De Geer |
| Dermestes lardarius Linnaeus | larder beetle | COLEOPTERA | Dermestidae | Dermestes | lardarius | Linnaeus |
| Dermestes maculatus De Geer | hide beetle | COLEOPTERA | Dermestidae | Dermestes | maculatus | De Geer |
| Deroceras laeve (Müller) | marsh slug | STYLOMMATOPHORA | Agriolimacidae | Deroceras | laeve | (Müller) |
| Derocrepis erythropus (Melsheimer) | redlegged flea beetle | COLEOPTERA | Chrysomelidae | Derocrepis | erythropus | (Melsheimer) |
| Desmia funeralis (Hübner) | grape leaffolder | LEPIDOPTERA | Crambidae | Desmia | funeralis | (Hübner) |
| Diabrotica balteata LeConte | banded cucumber beetle | COLEOPTERA | Chrysomelidae | Diabrotica | balteata | LeConte |
| Diabrotica barberi Smith & Lawrence | northern corn rootworm | COLEOPTERA | Chrysomelidae | Diabrotica | barberi | Smith & Lawrence |
| Diabrotica undecimpunctata howardi Barber | spotted cucumber beetle | COLEOPTERA | Chrysomelidae | Diabrotica | undecimpunctata howardi | Barber |
| Diabrotica undecimpunctata undecimpunctata Mannerheim | western spotted cucumber beetle | COLEOPTERA | Chrysomelidae | Diabrotica | undecimpunctata undecimpunctata | Mannerheim |
| Diabrotica virgifera virgifera LeConte | western corn rootworm | COLEOPTERA | Chrysomelidae | Diabrotica | virgifera virgifera | LeConte |
| Diabrotica virgifera zeae Krysan & Smith | Mexican corn rootworm | COLEOPTERA | Chrysomelidae | Diabrotica | virgifera zeae | Krysan & Smith |
| Diachus auratus (Fabricius) | bronze leaf beetle | COLEOPTERA | Chrysomelidae | Diachus | auratus | (Fabricius) |
| Dialeurodes chittendeni Laing | rhododendron whitefly | HEMIPTERA | Aleyrodidae | Dialeurodes | chittendeni | Laing |
| Dialeurodes citri (Ashmead) | citrus whitefly | HEMIPTERA | Aleyrodidae | Dialeurodes | citri | (Ashmead) |
| Dialeurodes citrifolii (Morgan) | cloudywinged whitefly | HEMIPTERA | Aleyrodidae | Dialeurodes | citrifolii | (Morgan) |
| Dialeurodes kirkaldyi (Kotinsky) | Kirkaldy whitefly | HEMIPTERA | Aleyrodidae | Dialeurodes | kirkaldyi | (Kotinsky) |
| Diaphania hyalinata (Linnaeus) | melonworm | LEPIDOPTERA | Crambidae | Diaphania | hyalinata | (Linnaeus) |
| Diaphania nitidalis (Stoll) | pickleworm | LEPIDOPTERA | Crambidae | Diaphania | nitidalis | (Stoll) |
| Diapheromera femorata (Say) | walkingstick | PHASMATODEA | Heteronemiidae | Diapheromera | femorata | (Say) |
| Diaphnocoris chlorionis (Say) | honeylocust plant bug | HEMIPTERA | Miridae | Diaphnocoris | chlorionis | (Say) |
| Diaspidiotus ancylus (Putnam) | Putnam scale | HEMIPTERA | Diaspididae | Diaspidiotus | ancylus | (Putnam) |
| Diaspidiotus uvae (Comstock) | grape scale | HEMIPTERA | Diaspididae | Diaspidiotus | uvae | (Comstock) |
| Diaspis boisduvalii Signoret | Boisduval scale | HEMIPTERA | Diaspididae | Diaspis | boisduvalii | Signoret |
| Diaspis bromeliae (Kerner) | pineapple scale | HEMIPTERA | Diaspididae | Diaspis | bromeliae | (Kerner) |
| Diaspis echinocacti (Bouché) | cactus scale | HEMIPTERA | Diaspididae | Diaspis | echinocacti | (Bouché) |
| Diatraea crambidoides (Grote) | southern corn stalk borer | LEPIDOPTERA | Crambidae | Diatraea | crambidoides | (Grote) |
| Diatraea grandiosella Dyar | southwestern corn borer | LEPIDOPTERA | Crambidae | Diatraea | grandiosella | Dyar |
| Diatraea saccharalis (Fabricius) | sugarcane borer | LEPIDOPTERA | Crambidae | Diatraea | saccharalis | (Fabricius) |
| Dichelonyx backi (Kirby) | green rose chafer | COLEOPTERA | Scarabaeidae | Dichelonyx | backi | (Kirby) |
| Dichomeris acuminata (Staudinger) | alfalfa leaftier | LEPIDOPTERA | Gelechiidae | Dichomeris | acuminata | (Staudinger) |
| Dichomeris ligulella Hübner | palmerworm | LEPIDOPTERA | Gelechiidae | Dichomeris | ligulella | Hübner |
| Dichomeris marginella (Fabricius) | juniper webworm | LEPIDOPTERA | Gelechiidae | Dichomeris | marginella | (Fabricius) |
| Dichromothrips corbetti (Priesner) | vanda thrips | THYSANOPTERA | Thripidae | Dichromothrips | corbetti | (Priesner) |
| Dinapate wrighti Horn | giant palm borer | COLEOPTERA | Brostrichidae | Dinapate | wrighti | Horn |
| Dinapate wrightii Horn | giant palm borer | COLEOPTERA | Bostrichidae | Dinapate | wrightii | Horn |
| Dinoderus minutus (Fabricius) | bamboo powderpost beetle | COLEOPTERA | Bostrichidae | Dinoderus | minutus | (Fabricius) |
| Diocalandra taitensis (Guérin-Méneville) | Tahitian coconut weevil | COLEOPTERA | Curculionidae | Diocalandra | taitensis | (Guérin-Méneville) |
| Dioryctria amatella (Hulst) | southern pine coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | amatella | (Hulst) |
| Dioryctria auranticella (Grote) | ponderosa pine coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | auranticella | (Grote) |
| Dioryctria auranticella Grote | ponderosa pine coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | auranticella | Grote |
| Dioryctria clarioralis (Walker) | blister coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | clarioralis | (Walker) |
| Dioryctria disclusa Heinrich | webbing coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | disclusa | Heinrich |
| Dioryctria ebeli Mutuura & Munroe | south coastal coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | ebeli | Mutuura & Munroe |
| Dioryctria pygmaeella Ragonot | baldcypress coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | pygmaeella | Ragonot |
| Dioryctria reniculelloides Mutuura & Munroe | spruce coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | reniculelloides | Mutuura & Munroe |
| Dioryctria resinosella Mutuura | red pine shoot moth | LEPIDOPTERA | Pyralidae | Dioryctria | resinosella | Mutuura |
| Dioryctria yatesi Mutuura & Munroe | mountain pine coneworm | LEPIDOPTERA | Pyralidae | Dioryctria | yatesi | Mutuura & Munroe |
| Dioryctria zimmermani (Grote) | Zimmerman pine moth | LEPIDOPTERA | Pyralidae | Dioryctria | zimmermani | (Grote) |
| Diplolepis radicum (Osten Sacken) | roseroot gall wasp | HYMENOPTERA | Cynipidae | Diplolepis | radicum (Osten | Sacken) |
| Diplolepis rosae (Linnaeus) | mossyrose gall wasp | HYMENOPTERA | Cynipidae | Diplolepis | rosae | (Linnaeus) |
| Diploptera punctata (Eschscholtz) | Pacific beetle cockroach | BLATTODEA | Blaberidae | Diploptera | punctata | (Eschscholtz) |
| Diprion similis (Hartig) | introduced pine sawfly | HYMENOPTERA | Diprionidae | Diprion | similis | (Hartig) |
| Discestra trifolii (Hufnagel) | clover cutworm | LEPIDOPTERA | Noctuidae | Discestra | trifolii | (Hufnagel) |
| Disonycha triangularis (Say) | threespotted flea beetle | COLEOPTERA | Chrysomelidae | Disonycha | triangularis | (Say) |
| Disonycha xanthomelas (Dalman) | spinach flea beetle | COLEOPTERA | Chrysomelidae | Disonycha | xanthomelas | (Dalman) |
| Dissosteira carolina (Linnaeus) | Carolina grasshopper | ORTHOPTERA | Acrididae | Dissosteira | carolina | (Linnaeus) |
| Dissosteira longipennis (Thomas) | High Plains grasshopper | ORTHOPTERA | Acrididae | Dissosteira | longipennis | (Thomas) |
| Diuraphis noxia (Mordvilko) | Russian wheat aphid | HEMIPTERA | Aphididae | Diuraphis | noxia | (Mordvilko) |
| Dolichotetranychus floridanus (Banks) | pineapple false spider mite | ACARI | Tenuipalpidae | Dolichotetranychus | floridanus | (Banks) |
| Dolichovespula arenaria (Fabricius) | aerial yellowjacket | HYMENOPTERA | Vespidae | Dolichovespula | arenaria | (Fabricius) |
| Dolichovespula maculata (Linnaeus) | baldfaced hornet | HYMENOPTERA | Vespidae | Dolichovespula | maculata | (Linnaeus) |
| Dolichurus stantoni (Ashmead) | black cockroach wasp | HYMENOPTERA | Sphecidae | Dolichurus | stantoni | (Ashmead) |
| Dorymyrmex insanus (Buckley) | pyramid ant | HYMENOPTERA | Formicidae | Dorymyrmex | insanus | (Buckley) |
| Draeculacephala minerva Ball | grass sharpshooter | HEMIPTERA | Cicadellidae | Draeculacephala | minerva | Ball |
| Draeculacephala mollipes (Say) | watercress sharpshooter | HEMIPTERA | Cicadellidae | Draeculacephala | mollipes | (Say) |
| Drepanaphis acerifoliae (Thomas) | painted maple aphid | HEMIPTERA | Aphididae | Drepanaphis | acerifoliae | (Thomas) |
| Drepanothrips reuteri Uzel | grape thrips | THYSANOPTERA | Thripidae | Drepanothrips | reuteri | Uzel |
| Dryocampa rubicunda (Fabricius) | greenstriped mapleworm | LEPIDOPTERA | Saturniidae | Dryocampa | rubicunda | (Fabricius) |
| Dryocoetes betulae Hopkins | birch bark beetle | COLEOPTERA | Curculionidae | Dryocoetes | betulae | Hopkins |
| Dryocoetes confusus Swaine | western balsam bark beetle | COLEOPTERA | Curculionidae | Dryocoetes | confusus | Swaine |
| Dryocosmus kuriphilus (Yasumatsu) | Asian chestnut gall wasp | Hymenoptera | Cynipidae | Dryocosmus | kuriphilus | (Yasumatsu) |
| Dynaspidiotus britannicus (Newstead) | holly scale | HEMIPTERA | Diaspididae | Dynaspidiotus | britannicus | (Newstead) |
| Dynastes granti Horn | southwestern Hercules beetle | COLEOPTERA | Scarabaeidae | Dynastes | granti | Horn |
| Dynastes tityus (Linnaeus) | eastern Hercules beetle | COLEOPTERA | Scarabaeidae | Dynastes | tityus | (Linnaeus) |
| Dysaphis apiifolia (Theobald) | rusty banded aphid | HEMIPTERA | Aphididae | Dysaphis | apiifolia | (Theobald) |
| Dysaphis plantaginea (Passerini) | rosy apple aphid | HEMIPTERA | Aphididae | Dysaphis | plantaginea | (Passerini) |
| Dysaphis tulipae (Boyer de Fonscolombe) | tulip bulb aphid | HEMIPTERA | Aphididae | Dysaphis | tulipae | (Boyer de Fonscolombe) |
| Dysdercus suturellus (Herrich-Schäffer) | cotton stainer | HEMIPTERA | Pyrrhocoridae | Dysdercus | suturellus | (Herrich-Schäffer) |
| Dysmicoccus boninsis (Kuwana) | gray sugarcane mealybug | HEMIPTERA | Pseudococcidae | Dysmicoccus | boninsis | (Kuwana) |
| Dysmicoccus brevipes (Cockerell) | pineapple mealybug | HEMIPTERA | Pseudococcidae | Dysmicoccus | brevipes | (Cockerell) |
| Dysmicoccus neobrevipes Beardsley | gray pineapple mealybug | HEMIPTERA | Pseudococcidae | Dysmicoccus | neobrevipes | Beardsley |
| E |
| Eacles imperialis (Drury) | imperial moth | LEPIDOPTERA | Saturniidae | Eacles | imperialis | (Drury) |
| Ecdytolopha insiticiana Zeller | locust twig borer | LEPIDOPTERA | Tortricidae | Ecdytolopha | insiticiana | Zeller |
| Echidnophaga gallinacea (Westwood) | sticktight flea | SIPHONAPTERA | Pulicidae | Echidnophaga | gallinacea | (Westwood) |
| Echidnophaga gallinacea (Westwood) | sticktight flea | SIPHONAPTERA | Pulicidae | Echidnophaga | gallinacea | (Westwood) |
| Ectobius pallidus (Olivier) | spotted Mediterranean cockroach | BLATTODEA | Blattellidae | Ectobius | pallidus | (Olivier) |
| Ectomyelois ceratoniae (Zeller) | carob moth | LEPIDOPTERA | Pyralidae | Ectomyelois | ceratoniae | (Zeller) |
| Ectomyelois ceratoniae (Zoner) | carob moth | LEPIDOPTERA | Pyralidae | Ectomyelois | ceratoniae | (Zoner) |
| Edwardsiana prunicola (Edwards) | prune leafhopper | HEMIPTERA | Cicadellidae | Edwardsiana | prunicola | (Edwards) |
| Edwardsiana rosae (Linnaeus) | rose leafhopper | HEMIPTERA | Cicadellidae | Edwardsiana | rosae | (Linnaeus) |
| Eidoleon wilsoni (McLachlan) | Hawaiian antlion | NEUROPTERA | Myrmeleontidae | Eidoleon | wilsoni | (McLachlan) |
| Elasmopalpus lignosellus (Zeller) | lesser cornstalk borer | LEPIDOPTERA | Pyralidae | Elasmopalpus | lignosellus | (Zeller) |
| Elatobium abietinum (Walker) | spruce aphid | HEMIPTERA | Aphididae | Elatobium | abietinum | (Walker) |
| Eleodes opacus (Say) | plains false wireworm | COLEOPTERA | Tenebrionidae | Eleodes | opacus | (Say) |
| Elytroteinus subtruncatus (Fairmaire) | Fijian ginger weevil | COLEOPTERA | Curculionidae | Elytroteinus | subtruncatus | (Fairmaire) |
| Empicoris rubromaculatus (Blackburn) | thread bug | HEMIPTERA | Reduviidae | Empicoris | rubromaculatus | (Blackburn) |
| Empoasca abrupta DeLong | western potato leafhopper | HEMIPTERA | Cicadellidae | Empoasca | abrupta | DeLong |
| Empoasca fabae (Harris) | potato leafhopper | HEMIPTERA | Cicadellidae | Empoasca | fabae | (Harris) |
| Empoasca maligna (Walsh) | apple leafhopper | HEMIPTERA | Cicadellidae | Empoasca | maligna | (Walsh) |
| Empoasca solana DeLong | southern garden leafhopper | HEMIPTERA | Cicadellidae | Empoasca | solana | DeLong |
| Empoasca stevensi Young | Stevens leafhopper | HEMIPTERA | Cicadellidae | Empoasca | stevensi | Young |
| Enaphalodes rufulus (Haldeman) | red oak borer | COLEOPTERA | Cerambycidae | Enaphalodes | rufulus | (Haldeman) |
| Enchenopa binotata (Say) | twomarked treehopper | HEMIPTERA | Membracidae | Enchenopa | binotata | (Say) |
| Endelomyia aethiops (Fabricius) | roseslug | HYMENOPTERA | Tenthredinidae | Endelomyia | aethiops | (Fabricius) |
| Endopiza viteana Clemens | grape berry moth | LEPIDOPTERA | Tortricidae | Endopiza | viteana | Clemens |
| Endothenia albolineana (Kearfott) | spruce needleminer | LEPIDOPTERA | Tortricidae | Endothenia | albolineana | (Kearfott) |
| Endothenia hebesana (Walker) | verbena bud moth | LEPIDOPTERA | Tortricidae | Endothenia | hebesana | (Walker) |
| Endria inimica (Say) | painted leafhopper | HEMIPTERA | Cicadellidae | Endria | inimica | (Say) |
| Endrosis sarcitrella (Linnaeus) | whiteshouldered house moth | LEPIDOPTERA | Oecophoridae | Endrosis | sarcitrella | (Linnaeus) |
| Engytatus modesta (Distant) | tomato bug | HEMIPTERA | Miridae | Engytatus | modesta | (Distant) |
| Ennomos subsignaria (Hübner) | elm spanworm | LEPIDOPTERA | Geometridae | Ennomos | subsignaria | (Hübner) |
| Enoclerus lecontei (Wolcott) | blackbellied clerid | COLEOPTERA | Cleridae | Enoclerus | lecontei | (Wolcott) |
| Ensina sonchi (Linnaeus) | sonchus fly | DIPTERA | Tephritidae | Ensina | sonchi | (Linnaeus) |
| Entomoscelis americana Brown | red turnip beetle | COLEOPTERA | Chrysomelidae | Entomoscelis | americana | Brown |
| Eobia bicolor (Fairmaire) | redblack oedemerid | COLEOPTERA | Oedemeridae | Eobia | bicolor | (Fairmaire) |
| Eoreuma loftini (Dyar) | Mexican rice borer | LEPIDOPTERA | Crambidae | Eoreuma | loftini | (Dyar) |
| Eotetranychus carpini borealis (Ewing) | yellow spider mite | ACARI | Tetranychidae | Eotetranychus | carpini borealis | (Ewing) |
| Eotetranychus clitus Pritchard & Baker | azalea white mite | ACARI | Tetranychidae | Eotetranychus | clitus | Pritchard & Baker |
| Eotetranychus hicoriae (McGregor) | pecan leaf scorch mite | ACARI | Tetranychidae | Eotetranychus | hicoriae | (McGregor) |
| Eotetranychus sexmaculatus (Riley) | sixspotted mite | ACARI | Tetranychidae | Eotetranychus | sexmaculatus | (Riley) |
| Eotetranychus willamettei (McGregor) | Willamette spider mite | ACARI | Tetranychidae | Eotetranychus | willamettei | (McGregor) |
| Eotetranychus willamettei (McGregor) | Willamette spider mite | ACARI | Tetranychidae | Eotetranychus | willamettei | (McGregor) |
| Eotetranychus yumensis (McGregor) | Yuma spider mite | ACARI | Tetranychidae | Eotetranychus | yumensis | (McGregor) |
| Epargyreus clarus (Cramer) | silverspotted skipper | LEPIDOPTERA | Hesperiidae | Epargyreus | clarus | (Cramer) |
| Ephestia elutella (Hübner) | tobacco moth | LEPIDOPTERA | Pyralidae | Ephestia | elutella | (Hübner) |
| Epiblema otiosana (Clemens) | bidens borer | LEPIDOPTERA | Tortricidae | Epiblema | otiosana | (Clemens) |
| Epiblema strenuana (Walker) | ragweed borer | LEPIDOPTERA | Tortricidae | Epiblema | strenuana | (Walker) |
| Epicaerus imbricatus (Say) | imbricated snout beetle | COLEOPTERA | Curculionidae | Epicaerus | imbricatus | (Say) |
| Epicauta cinerea (Förster) | clematis blister beetle | COLEOPTERA | Meloidae | Epicauta | cinerea | (Förster) |
| Epicauta fabricii (LeConte) | ashgray blister beetle | COLEOPTERA | Meloidae | Epicauta | fabricii | (LeConte) |
| Epicauta lemniscata (Fabricius) | threestriped blister beetle | COLEOPTERA | Meloidae | Epicauta | lemniscata | (Fabricius) |
| Epicauta maculata (Say) | spotted blister beetle | COLEOPTERA | Meloidae | Epicauta | maculata | (Say) |
| Epicauta pennsylvanica (De Geer) | black blister beetle | COLEOPTERA | Meloidae | Epicauta | pennsylvanica | (De Geer) |
| Epicauta pestifera Werner | margined blister beetle | COLEOPTERA | Meloidae | Epicauta | pestifera | Werner |
| Epicauta subglabra (Fall) | caragana blister beetle | COLEOPTERA | Meloidae | Epicauta | subglabra | (Fall) |
| Epicauta vittata (Fabricius) | striped blister beetle | COLEOPTERA | Meloidae | Epicauta | vittata | (Fabricius) |
| Epidiaspis leperii (Signoret) | Italian pear scale | HEMIPTERA | Diaspididae | Epidiaspis | leperii | (Signoret) |
| Epilachna borealis (Fabricius) | squash beetle | COLEOPTERA | Coccinellidae | Epilachna | borealis | (Fabricius) |
| Epilachna varivestis Mulsant | Mexican bean beetle | COLEOPTERA | Coccinellidae | Epilachna | varivestis | Mulsant |
| Epinotia aceriella (Clemens) | maple trumpet skeletonizer | LEPIDOPTERA | Tortricidae | Epinotia | aceriella | (Clemens) |
| Epinotia meritana Heinrich | white fir needleminer | LEPIDOPTERA | Tortricidae | Epinotia | meritana | Heinrich |
| Epiphyas postvittana (Walker) | light brown apple moth | LEPIDOPTERA | Tortricidae | Epiphyas | postvittana | (Walker) |
| Epitrimerus pyri (Nalepa) | pear rust mite | ACARI | Eriophyidae | Epitrimerus | pyri | (Nalepa) |
| Epitrix cucumeris (Harris) | potato flea beetle | COLEOPTERA | Chrysomelidae | Epitrix | cucumeris | (Harris) |
| Epitrix fuscula Crotch | eggplant flea beetle | COLEOPTERA | Chrysomelidae | Epitrix | fuscula | Crotch |
| Epitrix hirtipennis (Melsheimer) | tobacco flea beetle | COLEOPTERA | Chrysomelidae | Epitrix | hirtipennis | (Melsheimer) |
| Epitrix subcrinita LeConte | western potato flea beetle | COLEOPTERA | Chrysomelidae | Epitrix | subcrinita | LeConte |
| Epitrix tuberis Gentner | tuber flea beetle | COLEOPTERA | Chrysomelidae | Epitrix | tuberis | Gentner |
| Erannis tiliaria (Harris) | linden looper | LEPIDOPTERA | Geometridae | Erannis | tiliaria | (Harris) |
| Erechthias flavistriata (Walsingham) | sugarcane bud moth | LEPIDOPTERA | Tineidae | Erechthias | flavistriata | (Walsingham) |
| Erionota thrax (Linnaeus) | banana skipper | LEPIDOPTERA | Hesperiidae | Erionota | thrax | (Linnaeus) |
| Eriophyes aloinis Keifer | aloe mite | ACARI | Eriophyidae | Eriophyes | aloinis | Keifer |
| Eriophyes caryae Keifer | pecan leafroll mite | ACARI | Eriophyidae | Eriophyes | caryae | Keifer |
| Eriophyes cynodoniensis Sayed | Bermudagrass mite | ACARI | Eriophyidae | Eriophyes | cynodoniensis | Sayed |
| Eriophyes erinea (Nalepa) | walnut blister mite | ACARI | Eriophyidae | Eriophyes | erinea | (Nalepa) |
| Eriophyes ficus Cotte | fig mite | ACARI | Eriophyidae | Eriophyes | ficus | Cotte |
| Eriophyes litchii Keifer | litchi mite | ACARI | Eriophyidae | Eriophyes | litchii | Keifer |
| Eriophyes mangiferae (Sayed) | mango bud mite | ACARI | Eriophyidae | Eriophyes | mangiferae | (Sayed) |
| Eriophyes pyri (Pagenstecher) | pearleaf blister mite | ACARI | Eriophyidae | Eriophyes | pyri | (Pagenstecher) |
| Eriophyes sheldoni Ewing | citrus bud mite | ACARI | Eriophyidae | Eriophyes | sheldoni | Ewing |
| Eriosoma americanum (Riley) | woolly elm aphid | HEMIPTERA | Aphididae | Eriosoma | americanum | (Riley) |
| Eriosoma lanigerum (Hausmann) | woolly apple aphid | HEMIPTERA | Aphididae | Eriosoma | lanigerum | (Hausmann) |
| Eriosoma pyricola Baker & Davidson | woolly pear aphid | HEMIPTERA | Aphididae | Eriosoma | pyricola | Baker & Davidson |
| Eristalis tenax (Linnaeus) | drone fly | DIPTERA | Syrphidae | Eristalis | tenax | (Linnaeus) |
| Erynephala puncticollis (Say) | beet leaf beetle | COLEOPTERA | Chrysomelidae | Erynephala | puncticollis | (Say) |
| Erythraspides vitis (Harris) | grape sawfly | HYMENOPTERA | Tenthredinidae | Erythraspides | vitis | (Harris) |
| Erythroneura comes (Say) | eastern grape leafhopper | HEMIPTERA | Cicadellidae | Erythroneura | comes | (Say) |
| Erythroneura elegantula Osborn | western grape leafhopper | HEMIPTERA | Cicadellidae | Erythroneura | elegantula | Osborn |
| Erythroneura tricincta Fitch | threebanded leafhopper | HEMIPTERA | Cicadellidae | Erythroneura | tricincta | Fitch |
| Erythroneura ziczac Walsh | Virginiacreeper leafhopper | HEMIPTERA | Cicadellidae | Erythroneura | ziczac | Walsh |
| Erythroneura ziczac Walsh | Virginia creeper leafhopper | HEMIPTERA | Cicadellidae. | Erythroneura | ziczac | Walsh |
| Estigmene acrea (Drury) | saltmarsh caterpillar | LEPIDOPTERA | Arctiidae | Estigmene | acrea | (Drury) |
| Ethmia nigroapicella (Saalmüller) | kou leafworm | LEPIDOPTERA | Oecophoridae | Ethmia | nigroapicella | (Saalmüller) |
| Etiella zinckenella (Treitschke) | limabean pod borer | LEPIDOPTERA | Pyralidae | Etiella | zinckenella | (Treitschke) |
| Euborellia annulipes (Lucas) | ringlegged earwig | DERMAPTERA | Labiduridae | Euborellia | annulipes | (Lucas) |
| Eucalymnatus tessellatus (Signoret) | tessellated scale | HEMIPTERA | Coccidae | Eucalymnatus | tessellatus | (Signoret) |
| Eucosma cocana Kearfott | shortleaf pine cone borer | LEPIDOPTERA | Tortricidae | Eucosma | cocana | Kearfott |
| Eucosma gloriola Heinrich | eastern pine shoot borer | LEPIDOPTERA | Tortricidae | Eucosma | gloriola | Heinrich |
| Eucosma sonomana Kearfott | western pine shoot borer | LEPIDOPTERA | Tortricidae | Eucosma | sonomana | Kearfott |
| Eucosma tocullionana Heinrich | white pine cone borer | LEPIDOPTERA | Tortricidae | Eucosma | tocullionana | Heinrich |
| Eudiagogus pulcher Fahraeus | sesbania clown weevil | COLEOPTERA | Curculionidae | Eudiagogus | pulcher | Fahraeus |
| Euetheola humilis rugiceps (LeConte) | sugarcane beetle | COLEOPTERA | Scarabaeidae | Euetheola | humilis rugiceps | (LeConte) |
| Euglandina rosea (Férussac) | rosy predator snail | STYLOMMATOPHORA | Spiraxidae | Euglandina | rosea | (Férussac) |
| Euhrychiopsis lecontei (Dietz) | milfoil weevil | COLEOPTERA | Curculionidae | Euhrychiopsis | lecontei | (Dietz) |
| Eulecanium cerasorum (Cockerell) | calico scale | HEMIPTERA | Coccidae | Eulecanium | cerasorum | (Cockerell) |
| Eulithis diversilineata (Hübner) | grapevine looper | LEPIDOPTERA | Geometridae | Eulithis | diversilineata | (Hübner) |
| Eumerus figurans Walker | ginger maggot | DIPTERA | Syrphidae | Eumerus | figurans | Walker |
| Eumerus strigatus (Fallén) | onion bulb fly | DIPTERA | Syrphidae | Eumerus | strigatus | (Fallén) |
| Eumerus tuberculatus Rondani | lesser bulb fly | DIPTERA | Syrphidae | Eumerus | tuberculatus | Rondani |
| Eumorpha achemon (Drury) | achemon sphinx | LEPIDOPTERA | Sphingidae | Eumorpha | achemon | (Drury) |
| Euphilotes battoides allyni (Shields) | El Segundo blue | LEPIDOPTERA | Lycaenidae | Euphilotes | battoides allyni | (Shields) |
| Euphilotes enoptes smithi (Mattoni) | Smith blue | LEPIDOPTERA | Lycaenidae | Euphilotes | enoptes smithi | (Mattoni) |
| Euphoria inda (Linnaeus) | bumble flower beetle | COLEOPTERA | Scarabaeidae | Euphoria | inda | (Linnaeus) |
| Euphranta canadensis (Loew) | currant fruit fly | DIPTERA | Tephritidae | Euphranta | canadensis | (Loew) |
| Eupithecia spermaphaga (Dyar) | fir cone looper | LEPIDOPTERA | Geometridae | Eupithecia | spermaphaga | (Dyar) |
| Euproctis chrysorrhoea (Linnaeus) | browntail moth | LEPIDOPTERA | Lymantriidae | Euproctis | chrysorrhoea | (Linnaeus) |
| Eurytoma orchidearum (Westwood) | orchidfly | HYMENOPTERA | Eurytomidae | Eurytoma | orchidearum | (Westwood) |
| Euscepes postfaciatus (Fairmaire) | West Indian sweetpotato weevil | COLEOPTERA | Curculionidae | Euscepes | postfaciatus | (Fairmaire) |
| Euschistus servus (Say) | brown stink bug | HEMIPTERA | Pentatomidae | Euschistus | servus | (Say) |
| Euschistus tristigmus (Say) | dusky stink bug | HEMIPTERA | Pentatomidae | Euschistus | tristigmus | (Say) |
| Euschistus variolarius (Palisot de Beauvois) | onespotted stink bug | HEMIPTERA | Pentatomidae | Euschistus | variolarius | (Palisot de Beauvois) |
| Eutetranychus banksi (McGregor) | Texas citrus mite | ACARI | Tetranychidae | Eutetranychus | banksi | (McGregor) |
| Euthyrrhapha pacifica (Coquebert) | Pacific cockroach | BLATTODEA | Polyphagidae | Euthyrrhapha | pacifica | (Coquebert) |
| Eutreta xanthochaeta Aldrich | lantana gall fly | DIPTERA | Tephritidae | Eutreta | xanthochaeta | Aldrich |
| Eutrombidium trigonum (Hermann) | red grasshopper mite | ACARI | Trombidiidae | Eutrombidium | trigonum | (Hermann) |
| Euura lasiolepis Smith | arroyo willow stem-galling sawfly | HYMENOPTERA | Tenthredinidae | Euura | lasiolepis | Smith |
| Euxoa auxiliaris (Grote) | army cutworm | LEPIDOPTERA | Noctuidae | Euxoa | auxiliaris | (Grote) |
| Euxoa messoria (Harris) | darksided cutworm | LEPIDOPTERA | Noctuidae | Euxoa | messoria | (Harris) |
| Euxoa ochrogaster (Guenée) | redbacked cutworm | LEPIDOPTERA | Noctuidae | Euxoa | ochrogaster | (Guenée) |
| Euxoa scandens (Riley) | white cutworm | LEPIDOPTERA | Noctuidae | Euxoa | scandens | (Riley) |
| Euxoa tessellata (Harris) | striped cutworm | LEPIDOPTERA | Noctuidae | Euxoa | tessellata | (Harris) |
| Euzophera semifuneralis (Walker) | American plum borer | LEPIDOPTERA | Pyralidae | Euzophera | semifuneralis | (Walker) |
| Evergestis pallidata (Hufnagel) | purplebacked cabbageworm | LEPIDOPTERA | Crambidae | Evergestis | pallidata | (Hufnagel) |
| Evergestis rimosalis (Guenée) | cross-striped cabbageworm | LEPIDOPTERA | Crambidae | Evergestis | rimosalis | (Guenée) |
| Evoxysoma vitis (Saunders) | grape seed chalcid | HYMENOPTERA | Eurytomidae | Evoxysoma | vitis | (Saunders) |
| Exaireta spinigera (Wiedemann) | blue soldier fly | DIPTERA | Stratiomyidae | Exaireta | spinigera | (Wiedemann) |
| Exitianus exitiosus (Uhler) | gray lawn leafhopper | HEMIPTERA | Cicadellidae | Exitianus | exitiosus | (Uhler) |
| Exoteleia nepheos Freeman | pine candle moth | LEPIDOPTERA | Gelechiidae | Exoteleia | nepheos | Freeman |
| Exoteleia pinifoliella (Chambers) | pine needleminer | LEPIDOPTERA | Gelechiidae | Exoteleia | pinifoliella | (Chambers) |
| F |
| Fagiphagus imbricator (Fitch) | beech blight aphid | HEMIPTERA | Aphididae | Fagiphagus | imbricator | (Fitch) |
| Fallapion occidentale Fall | black sunflower stem weevil | COLEOPTERA | Curculionidae | Fallapion | occidentale | Fall |
| Fannia canicularis (Linnaeus) | little house fly | DIPTERA | Muscidae | Fannia | canicularis | (Linnaeus) |
| Fannia pusio (Wiedemann) | chicken dung fly | DIPTERA | Muscidae | Fannia | pusio | (Wiedemann) |
| Fannia scalaris (Fabricius) | latrine fly | DIPTERA | Muscidae | Fannia | scalaris | (Fabricius) |
| Faronta diffusa (Walker) | wheat head armyworm | LEPIDOPTERA | Noctuidae | Faronta | diffusa | (Walker) |
| Fascista cercerisella (Chambers) | redbud leaffolder | LEPIDOPTERA | Gelechiidae | Fascista | cercerisella | (Chambers) |
| Felicola subrostratus (Burmeister) | cat louse | MALLOPHAGA | Trichodectidae | Felicola | subrostratus | (Burmeister) |
| Feltia jaculifera (Guenée) | dingy cutworm | LEPIDOPTERA | Noctuidae | Feltia | jaculifera | (Guenée) |
| Fenusa dohrnii (Tischbein) | European alder leafminer | HYMENOPTERA | Tenthredinidae | Fenusa | dohrnii | (Tischbein) |
| Fenusa pusilla (Lepeletier) | birch leafminer | HYMENOPTERA | Tenthredinidae | Fenusa | pusilla | (Lepeletier) |
| Ferrisia virgata (Cockerell) | striped mealybug | HEMIPTERA | Pseudococcidae | Ferrisia | virgata | (Cockerell) |
| Fidia viticida Walsh | grape rootworm | COLEOPTERA | Chrysomelidae | Fidia | viticida | Walsh |
| Fimbriaphis scoliopi Essig | western lily aphid | HEMIPTERA | Aphididae | Fimbriaphis | scoliopi | Essig |
| Fiorinia externa Ferris | elongate hemlock scale | HEMIPTERA | Diaspididae | Fiorinia | externa | Ferris |
| Fiorinia theae Green | tea scale | HEMIPTERA | Diaspididae | Fiorinia | theae | Green |
| Forficula auricularia Linnaeus | European earwig | DERMAPTERA | Forficulidae | Forficula | auricularia | Linnaeus |
| Formica exsectoides Forel | Allegheny mound ant | HYMENOPTERA | Formicidae | Formica | exsectoides | Forel |
| Formica fusca Linnaeus | silky ant | HYMENOPTERA | Formicidae | Formica | fusca | Linnaeus |
| Formica obscuripes Forel | western thatching ant | HYMENOPTERA | Formicidae | Formica | obscuripes | Forel |
| Frankliniella fusca (Hinds) | tobacco thrips | THYSANOPTERA | Thripidae | Frankliniella | fusca | (Hinds) |
| Frankliniella occidentalis (Pergande) | western flower thrips | THYSANOPTERA | Thripidae | Frankliniella | occidentalis | (Pergande) |
| Frankliniella tritici (Fitch) | flower thrips | THYSANOPTERA | Thripidae | Frankliniella | tritici | (Fitch) |
| Frankliniella vaccinii Morgan | blueberry thrips | THYSANOPTERA | Thripidae | Frankliniella | vaccinii | Morgan |
| Frankliniella williamsi Hood | cornthrips | THYSANOPTERA | Thripidae | Frankliniella | williamsi | Hood |
| Franklinothrips vespiformis (D.L. Crawford) | vespiform thrips | THYSANOPTERA | Aeolothripidae | Franklinothrips | vespiformis (D.L. | Crawford) |
| Fundella pellucens Zeller | Caribbean pod borer | LEPIDOPTERA | Pyralidae | Fundella | pellucens | Zeller |
| Furcaspis biformis (Cockerell) | red orchid scale | HEMIPTERA | Diaspididae | Furcaspis | biformis | (Cockerell) |
| G |
| Galandromus occidentalis (Nesbitt) | western predatory mite | ACARI | Phytoseiidae | Galandromus | occidentalis | (Nesbitt) |
| Galeruca browni Blake | peppergrass beetle | COLEOPTERA | Chrysomelidae | Galeruca | browni | Blake |
| Galerucella nymphaeae (Linnaeus) | waterlily leaf beetle | COLEOPTERA | Chrysomelidae | Galerucella | nymphaeae | (Linnaeus) |
| Galleria mellonella (Linnaeus) | greater wax moth | LEPIDOPTERA | Pyralidae | Galleria | mellonella | (Linnaeus) |
| Gargaphia solani Heidemann | eggplant lace bug | HEMIPTERA | Tingidae | Gargaphia | solani | Heidemann |
| Gargaphia tiliae (Walsh) | basswood lace bug | HEMIPTERA | Tingidae | Gargaphia | tiliae | (Walsh) |
| Gasteracantha cancriformis (Linnaeus) | spinybacked spider | ARANEAE | Araneidae | Gasteracantha | cancriformis | (Linnaeus) |
| Gasterophilus haemorrhoidalis (Linnaeus) | nose bot fly | DIPTERA | Oestridae | Gasterophilus | haemorrhoidalis | (Linnaeus) |
| Gasterophilus intestinalis (De Geer) | horse bot fly | DIPTERA | Oestridae | Gasterophilus | intestinalis | (De Geer) |
| Gasterophilus nasalis (Linnaeus) | throat bot fly | DIPTERA | Oestridae | Gasterophilus | nasalis | (Linnaeus) |
| Gelastocoris oculatus (Fabricius) | toad bug | HEMIPTERA | Gelastocoridae | Gelastocoris | oculatus | (Fabricius) |
| Geocoris bullatus (Say) | large bigeyed bug | HEMIPTERA | Lygaeidae | Geocoris | bullatus | (Say) |
| Geocoris pallens Stål | western bigeyed bug | HEMIPTERA | Lygaeidae | Geocoris | pallens | Stål |
| Geotomus pygmaeus (Dallas) | oceanic burrower bug | HEMIPTERA | Cydnidae | Geotomus | pygmaeus | (Dallas) |
| Geshna cannalis (Quaintance) | lesser canna leafroller | LEPIDOPTERA | Crambidae | Geshna | cannalis | (Quaintance) |
| Gilpinia hercyniae (Hartig) | European spruce sawfly | HYMENOPTERA | Diprionidae | Gilpinia | hercyniae | (Hartig) |
| Gliricola porcelli (Schrank) | slender guineapig louse | MALLOPHAGA | Gyropidae | Gliricola | porcelli | (Schrank) |
| Glossonotus crataegi (Fitch) | quince treehopper | HEMIPTERA | Membracidae | Glossonotus | crataegi | (Fitch) |
| Glycobius speciosus (Say) | sugar maple borer | COLEOPTERA | Cerambycidae | Glycobius | speciosus | (Say) |
| Glycyphagus domesticus (DeGeer) | house mite | ACARI | Glycyphagidae | Glycyphagus | domesticus | (DeGeer) |
| Gnatocerus cornutus (Fabricius) | broadhorned flour beetle | COLEOPTERA | Tenebrionidae | Gnatocerus | cornutus | (Fabricius) |
| Gnatocerus maxillosus (Fabricius) | slenderhorned flour beetle | COLEOPTERA | Tenebrionidae | Gnatocerus | maxillosus | (Fabricius) |
| Gnophothrips fuscus (Morgan) | slash pine flower thrips | THYSANOPTERA | Phlaeothripidae | Gnophothrips | fuscus | (Morgan) |
| Goes tesselatus (Haldeman) | oak sapling borer | COLEOPTERA | Cerambycidae | Goes | tesselatus | (Haldeman) |
| Goes tigrinus (De Geer) | white oak borer | COLEOPTERA | Cerambycidae | Goes | tigrinus | (De Geer) |
| Gohieria fusca (Oudemans) | brown flour mite | ACARI | Glycyphagidae | Gohieria | fusca | (Oudemans) |
| Goniocotes gallinae (De Geer) | fluff louse | MALLOPHAGA | Philopteridae | Goniocotes | gallinae | (De Geer) |
| Gonioctena americana (Schaeffer) | American aspen beetle | COLEOPTERA | Chrysomelidae | Gonioctena | americana | (Schaeffer) |
| Goniodes dissimilis Denny | brown chicken louse | MALLOPHAGA | Philopteridae | Goniodes | dissimilis | Denny |
| Goniodes gigas (Taschenberg) | large chicken louse | MALLOPHAGA | Philopteridae | Goniodes | gigas | (Taschenberg) |
| Goniodes numidae Möjberg | Guinea feather louse | MALLOPHAGA | Philopteridae | Goniodes | numidae | Möjberg |
| Gossyparia spuria (Modeer) | European elm scale | HEMIPTERA | Eriococcidae | Gossyparia | spuria | (Modeer) |
| Graminella nigrifrons (Forbes) | blackfaced leafhopper | HEMIPTERA | Cicadellidae | Graminella | nigrifrons | (Forbes) |
| Graminella sonora (Ball) | lesser lawn leafhopper | HEMIPTERA | Cicadellidae | Graminella | sonora | (Ball) |
| Graphocephala atropunctata (Signoret) | blue-green sharpshooter | HEMIPTERA | Cicadellidae | Graphocephala | atropunctata | (Signoret) |
| Graphognathus spp. | whitefringed beetles | COLEOPTERA | Curculionidae | Graphognathus | spp. | |
| Grapholita interstinctana (Clemens) | clover head caterpillar | LEPIDOPTERA | Tortricidae | Grapholita | interstinctana | (Clemens) |
| Grapholita molesta (Busck) | oriental fruit moth | LEPIDOPTERA | Tortricidae | Grapholita | molesta | (Busck) |
| Grapholita packardi Zeller | cherry fruitworm | LEPIDOPTERA | Tortricidae | Grapholita | packardi | Zeller |
| Grapholita prunivora (Walsh) | lesser appleworm | LEPIDOPTERA | Tortricidae | Grapholita | prunivora | (Walsh) |
| Graptostethus manillensis (Stål) | woodrose bug | HEMIPTERA | Lygaeidae | Graptostethus | manillensis | (Stål) |
| Gretchena bolliana (Slingerland) | pecan bud moth | LEPIDOPTERA | Tortricidae | Gretchena | bolliana | (Slingerland) |
| Gryllotalpa africana Palisot de Beauvois | African mole cricket | ORTHOPTERA | Gryllotalpidae | Gryllotalpa | africana | Palisot de Beauvois |
| Gynaikothrips ficorum (Marchal) | Cuban laurel thrips | THYSANOPTERA | Phlaeothripidae | Gynaikothrips | ficorum | (Marchal) |
| Gypsonoma haimbachiana (Kearfott) | cottonwood twig borer | LEPIDOPTERA | Tortricidae | Gypsonoma | haimbachiana | (Kearfott) |
| Gyropus ovalis Burmeister | oval guineapig louse | MALLOPHAGA | Gyropidae | Gyropus | ovalis | Burmeister |
| H |
| Habropoda laboriosa (Fabricius) | southeastern blueberry bee | HYMENOPTERA | Anthophoridae | Habropoda | laboriosa | (Fabricius) |
| Haemaphysalis chordeilis (Packard) | bird tick | ACARI | Ixodidae | Haemaphysalis | chordeilis | (Packard) |
| Haemaphysalis leporispalustris (Packard) | rabbit tick | ACARI | Ixodidae | Haemaphysalis | leporispalustris | (Packard) |
| Haematobia irritans (Linnaeus) | horn fly | DIPTERA | Muscidae | Haematobia | irritans | (Linnaeus) |
| Haematoloecha rubescens Distant | red assassin bug | HEMIPTERA | Reduviidae | Haematoloecha | rubescens | Distant |
| Haematopinus asini (Linnaeus) | horse sucking louse | ANOPLURA | Haematopinidae | Haematopinus | asini | (Linnaeus) |
| Haematopinus eurysternus (Nitzsch) | shortnosed cattle louse | ANOPLURA | Haematopinidae | Haematopinus | eurysternus | (Nitzsch) |
| Haematopinus quadripertusus Fahrenholz | cattle tail louse | ANOPLURA | Haematopinidae | Haematopinus | quadripertusus | Fahrenholz |
| Haematopinus suis (Linnaeus) | hog louse | ANOPLURA | Haematopinidae | Haematopinus | suis | (Linnaeus) |
| Haematosiphon inodorus (Dugès) | poultry bug | HEMIPTERA | Cimicidae | Haematosiphon | inodorus | (Dugès) |
| Haemodipsus ventricosus (Denny) | rabbit louse | ANOPLURA | Polyplacidae | Haemodipsus | ventricosus | (Denny) |
| Halmus chalybeus (Boisduval) | steelblue lady beetle | COLEOPTERA | Coccinellidae | Halmus | chalybeus | (Boisduval) |
| Halobates hawaiiensis Usinger | Hawaiian pelagic water strider | HEMIPTERA | Gerridae | Halobates | hawaiiensis | Usinger |
| Halobates sericeus Eschscholtz | Pacific pelagic water strider | HEMIPTERA | Gerridae | Halobates | sericeus | Eschscholtz |
| Halticotoma valida Townsend | yucca plant bug | HEMIPTERA | Miridae | Halticotoma | valida | Townsend |
| Halticus bractatus (Say) | garden fleahopper | HEMIPTERA | Miridae | Halticus | bractatus | (Say) |
| Halticus chrysolepis Kirkaldy | grass fleahopper | HEMIPTERA | Miridae | Halticus | chrysolepis | Kirkaldy |
| Halysidota harrisii Walsh | sycamore tussock moth | LEPIDOPTERA | Arctiidae | Halysidota | harrisii | Walsh |
| Halysidota tessellaris (J.E. Smith) | pale tussock moth | LEPIDOPTERA | Arctiidae | Halysidota | tessellaris | (J.E. Smith) |
| Haplorhynchites aeneus (Boheman) | sunflower headclipping weevil | COLEOPTERA | Curculionidae | Haplorhynchites | aeneus | (Boheman) |
| Haplothrips gowdeyi (Franklin) | black flower thrips | THYSANOPTERA | Phlaeothripidae | Haplothrips | gowdeyi | (Franklin) |
| Haplothrips verbasci (Osborn) | mullein thrips | THYSANOPTERA | Phlaeothripidae | Haplothrips | verbasci | (Osborn) |
| Harmonia axyridis (Pallas) | multicolored Asian lady beetle | COLEOPTERA | Coccinellidae | Harmonia | axyridis | (Pallas) |
| Harrisina americana (Guerin) | grapeleaf skeletonizer | LEPIDOPTERA | Zygaenidae | Harrisina | americana | (Guerin) |
| Harrisina brillians Barnes & McDunnough | western grapeleaf skeletonizer | LEPIDOPTERA | Zygaenidae | Harrisina | brillians | Barnes & McDunnough |
| Hedya chionosema (Zeller) | twinspotted budworm | LEPIDOPTERA | Tortricidae | Hedya | chionosema | (Zeller) |
| Hedya nubiferana (Haworth) | green budworm | LEPIDOPTERA | Tortricidae | Hedya | nubiferana | (Haworth) |
| Hedylepta accepta (Butler) | sugarcane leafroller | LEPIDOPTERA | Crambidae | Hedylepta | accepta | (Butler) |
| Hedylepta blackburni (Butler) | coconut leafroller | LEPIDOPTERA | Crambidae | Hedylepta | blackburni | (Butler) |
| Helicoverpa hawaiiensis (Quaintance & Brues) | Hawaiian bud moth | LEPIDOPTERA | Noctuidae | Helicoverpa | hawaiiensis | (Quaintance & Brues) |
| Helicoverpa zea (Boddie) | bollworm | LEPIDOPTERA | Noctuidae | Helicoverpa | zea | (Boddie) |
| Heliothis ononis (Denis & Schiffermüller) | flax bollworm | LEPIDOPTERA | Noctuidae | Heliothis | ononis | (Denis & Schiffermüller) |
| Heliothis virescens (Fabricius) | tobacco budworm | LEPIDOPTERA | Noctuidae | Heliothis | virescens | (Fabricius) |
| Heliothis virescens (Fabricius) | tobacco budworm | LEPIDOPTERA | Noctuidae | Heliothis | virescens | (Fabricius) |
| Heliothrips haemorrhoidalis (Bouché) | greenhouse thrips | THYSANOPTERA | Thripidae | Heliothrips | haemorrhoidalis | (Bouché) |
| Hellula rogatalis (Hulst) | cabbage webworm | LEPIDOPTERA | Crambidae | Hellula | rogatalis | (Hulst) |
| Hemiberlesia lataniae (Signoret) | latania scale | HEMIPTERA | Diaspididae | Hemiberlesia | lataniae | (Signoret) |
| Hemiberlesia rapax (Comstock) | greedy scale | HEMIPTERA | Diaspididae | Hemiberlesia | rapax | (Comstock) |
| Hemichroa crocea (Geoffroy) | striped alder sawfly | HYMENOPTERA | Tenthredinidae | Hemichroa | crocea | (Geoffroy) |
| Hemileuca maia (Drury) | buck moth | LEPIDOPTERA | Saturniidae | Hemileuca | maia | (Drury) |
| Hemileuca oliviae Cockerell | range caterpillar | LEPIDOPTERA | Saturniidae | Hemileuca | oliviae | Cockerell |
| Hercinothrips femoralis (O.M. Reuter) | banded greenhouse thrips | THYSANOPTERA | Thripidae | Hercinothrips | femoralis | (O.M. Reuter) |
| Hermetia illucens (Linnaeus) | black soldier fly | DIPTERA | Stratiomyidae | Hermetia | illucens | (Linnaeus) |
| Herpetogramma bipunctalis (Fabricius) | southern beet webworm | LEPIDOPTERA | Crambidae | Herpetogramma | bipunctalis | (Fabricius) |
| Herpetogramma licarsisalis (Walker) | grass webworm | LEPIDOPTERA | Crambidae | Herpetogramma | licarsisalis | (Walker) |
| Herpetogramma phaeopteralis Guenée | tropical sod webworm | LEPIDOPTERA | Crambidae | Herpetogramma | phaeopteralis | Guenée |
| Heterocampa guttivitta (Walker) | saddled prominent | LEPIDOPTERA | Notodontidae | Heterocampa | guttivitta | (Walker) |
| Heteropoda venatoria (Linnaeus) | large brown spider | ARANEAE | Sparassidae | Heteropoda | venatoria | (Linnaeus) |
| Hexomyza schineri (Giraud) | poplar twiggall fly | DIPTERA | Agromyzidae | Hexomyza | schineri | (Giraud) |
| Hippodamia convergens Guérin-Méneville | convergent lady beetle | COLEOPTERA | Coccinellidae | Hippodamia | convergens | Guérin-Méneville |
| Hippodamia sinuata Mulsant | sinuate lady beetle | COLEOPTERA | Coccinellidae | Hippodamia | sinuata | Mulsant |
| Hippodamia tredecimpunctata tibialis (Say) | thirteenspotted lady beetle | COLEOPTERA | Coccinellidae | Hippodamia | tredecimpunctata tibialis | (Say) |
| Hofmannophila pseudospretella (Stainton) | brown house moth | LEPIDOPTERA | Oecophoridae | Hofmannophila | pseudospretella | (Stainton) |
| Holcaphis tritici (Gillette) | western wheat aphid | HEMIPTERA | Aphididae | Holcaphis | tritici | (Gillette) |
| Holochlora japonica Brunner von Wattenwyl | Japanese broadwinged katydid | ORTHOPTERA | Tettigoniidae | Holochlora | japonica | Brunner von Wattenwyl |
| Homadaula anisocentra Meyrick | mimosa webworm | LEPIDOPTERA | Galacticidae | Homadaula | anisocentra | Meyrick |
| Homaledra sabalella (Chambers) | palm leafskeletonizer | LEPIDOPTERA | Coleophoridae | Homaledra | sabalella | (Chambers) |
| Homalodisca vitripennis (Germar) | glassy-winged sharpshooter | HEMIPTERA | Cicadellidae | Homalodisca | vitripennis | (Germar) |
| Homoeosoma electellum (Hulst) | sunflower moth | LEPIDOPTERA | Pyralidae | Homoeosoma | electellum | (Hulst) |
| Hoplocampa cookei (Clarke) | cherry fruit sawfly | HYMENOPTERA | Tenthredinidae | Hoplocampa | cookei | (Clarke) |
| Hoplocampa testudinea (Klug) | European apple sawfly | HYMENOPTERA | Tenthredinidae | Hoplocampa | testudinea | (Klug) |
| Hoplopleura pacifica Ewing | tropical rat louse | ANOPLURA | Hoplopleuridae | Hoplopleura | pacifica | Ewing |
| Horistonotus uhlerii Horn | sand wireworm | COLEOPTERA | Elateridae | Horistonotus | uhlerii | Horn |
| Howardia biclavis (Comstock) | mining scale | HEMIPTERA | Diaspididae | Howardia | biclavis | (Comstock) |
| Hulstia undulatella (Clemens) | sugarbeet crown borer | LEPIDOPTERA | Pyralidae | Hulstia | undulatella | (Clemens) |
| Hyalopeplus pellucidus (Stål) | transparentwinged plant bug | HEMIPTERA | Miridae | Hyalopeplus | pellucidus | (Stål) |
| Hyalophora cecropia (Linnaeus) | cecropia moth | LEPIDOPTERA | Saturniidae | Hyalophora | cecropia | (Linnaeus) |
| Hyalophora euryalus (Boisduval) | ceanothus silk moth | LEPIDOPTERA | Saturniidae | Hyalophora | euryalus | (Boisduval) |
| Hyalopterus pruni (Geoffroy) | mealy plum aphid | HEMIPTERA | Aphididae | Hyalopterus | pruni | (Geoffroy) |
| Hydraecia micacea (Esper) | potato stem borer | LEPIDOPTERA | Noctuidae | Hydraecia | micacea | (Esper) |
| Hydrellia griseola Fallén | smaller rice leafminer | DIPTERA | Ephydridae | Hydrellia | griseola | Fallén |
| Hydrellia wirthi Korytkowski | South American rice miner | DIPTERA | Ephydridae | Hydrellia | wirthi | Korytkowski |
| Hylastinus obscurus (Marsham) | clover root borer | COLEOPTERA | Curculionidae | Hylastinus | obscurus | (Marsham) |
| Hylecoetus lugubris Say | sapwood timberworm | COLEOPTERA | Lymexylidae | Hylecoetus | lugubris | Say |
| Hylephila phyleus (Drury) | fiery skipper | LEPIDOPTERA | Hesperiidae | Hylephila | phyleus | (Drury) |
| Hyles calida (Butler) | Hawaiian sphinx | LEPIDOPTERA | Sphingidae | Hyles | calida | (Butler) |
| Hyles lineata (Fabricius) | whitelined sphinx | LEPIDOPTERA | Sphingidae | Hyles | lineata | (Fabricius) |
| Hyles wilsoni (Rothschild) | Wilson sphinx | LEPIDOPTERA | Sphingidae | Hyles | wilsoni | (Rothschild) |
| Hylobius aliradicis Warner | southern pine root weevil | COLEOPTERA | Curculionidae | Hylobius | aliradicis | Warner |
| Hylobius assimilis Boheman | pine root tip weevil | COLEOPTERA | Curculionidae | Hylobius | assimilis | Boheman |
| Hylobius pales (Herbst) | pales weevil | COLEOPTERA | Curculionidae | Hylobius | pales | (Herbst) |
| Hylobius radicis Buchanan | pine root collar weevil | COLEOPTERA | Curculionidae | Hylobius | radicis | Buchanan |
| Hylobius warreni Wood | Warren root collar weevil | COLEOPTERA | Curculionidae | Hylobius | warreni | Wood |
| Hylotrupes bajulus (Linnaeus) | old house borer | COLEOPTERA | Cerambycidae | Hylotrupes | bajulus | (Linnaeus) |
| Hylurgopinus rufipes (Eichhoff) | native elm bark beetle | COLEOPTERA | Curculionidae | Hylurgopinus | rufipes | (Eichhoff) |
| Hymenia perspectalis (Hübner) | spotted beet webworm | LEPIDOPTERA | Crambidae | Hymenia | perspectalis | (Hübner) |
| Hypena humuli Harris | hop looper | LEPIDOPTERA | Noctuidae | Hypena | humuli | Harris |
| Hypena scabra (Fabricius) | green cloverworm | LEPIDOPTERA | Noctuidae | Hypena | scabra | (Fabricius) |
| Hypena strigatus (Fabricius) | lantana defoliator caterpillar | LEPIDOPTERA | Noctuidae | Hypena | strigatus | (Fabricius) |
| Hypera brunnipennis (Boheman) | Egyptian alfalfa weevil | COLEOPTERA | Curculionidae | Hypera | brunnipennis | (Boheman) |
| Hypera meles (Fabricius) | clover head weevil | COLEOPTERA | Curculionidae | Hypera | meles | (Fabricius) |
| Hypera nigrirostris (Fabricius) | lesser clover leaf weevil | COLEOPTERA | Curculionidae | Hypera | nigrirostris | (Fabricius) |
| Hypera postica (Gyllenhal) | alfalfa weevil | COLEOPTERA | Curculionidae | Hypera | postica | (Gyllenhal) |
| Hypera punctata (Fabricius) | clover leaf weevil | COLEOPTERA | Curculionidae | Hypera | punctata | (Fabricius) |
| Hyperaspis jocosa (Mulsant) | orthezia lady beetle | COLEOPTERA | Coccinellidae | Hyperaspis | jocosa | (Mulsant) |
| Hyperomyzus lactucae (Linnaeus) |