Web-based keys
General
Aquatic Insects of New Hampshire
Canadian Journal of Arthropod Identification
Iowa State Index of Internet Resources: Keys
Australian Aquatic Invertebrates
Arachnida
Orders, Suborders and Cohorts of Mites in Soil
Coleoptera
The Darkling Beetles of Florida and Eastern U.S.
Bark Beetle Genera of the United States
Bark Beetles of the Southeastern United States
World Genera of Xyleborini (Curculionidae: Scolytinae)
Christmas Beetles (Scarabaeidae) of New South Wales
Flower Chafers (Scarabaeidae) of New South Wales
Dung Beetles (Scarabaeidae) of New South Wales
Criocerinae (Chrysomelidae) of New South Wales
Spilopyrinae (Chrysomelidae) of New South Wales
Sagrinae (Chrysomelidae) of New South Wales
Chrysomelinae (Chrysomelidae) of New South Wales
Common Chilocorus species of India
Genera of Morionini (Carabidae)
Genera of Agyrtodini (Leiodidae)
Key to New World Species of Elaphrini (Carabidae)
Weevil Biocontrol Agents for Aquatic & Terrestrial Weeds
Diptera
Calliphoridae do Brasil(in Portuguese)
Key to World Ectyphinae (Mydidae) species
Invasive Crane flies of the Northeastern United States
LiriomyzaParasitoids of Southeast Asia
Key to Asilidae (robber flies) subfamily taxa
Stiletto-flies of Australasia (Diptera: Therevidae)
CulicID: Adult Female Mosquitoes of Queensland
Drosophiladel Ecuador (Spanish)
Hemiptera
Australian Soft Scale (Coccidae) Genera
Interactive Key to Aphis in Midwestern United States
Families of Heteroptera Australia
Stink Bugs (Pentatomidae) of Australia
Lace Bugs (Tingidae) of Australia
Scale Insects of Quarantine Significance
Illustrated Interactive Keys for identifying Treehoppers
Hymenoptera
Pacific Invasive Ant Key (PIAKey)
World Genera of Eulophidae Parasitoids of Leafmining Agromyzidae
World Species Groups of Leucospis (Hymenoptera: Leucospidae)
Lordomyrma(Formicidae) of Fiji
Pheidole roosevelti-group (Formicidae) of Fiji
Lepidoptera
Light Brown Apple Moth (LBAM) ID
Families of macro-moths of California
Neuroptera
Key to the Psychopsidae (Insecta: Neuroptera) Genera of the World
Larvae of Corydalidae (Megaloptera) of California
Orthoptera
Grasshoppers: Their Biology, Identification and Management
Grasshoppers of the Western United States
Thysanoptera
Trichoptera
