Effect of Root Extracts of
Mexican Marigold, Tagetes minuta (Asterales: Asteraceae), on Six Nontarget Aquatic
Macroinvertebrates.
Anuj Kumar, Florence V. Dunkel, Matthew J. Broughton, and Shobha Sriharan . . . . 140 
Thermal Requirements for Development of Diaprepes abbreviatus (Coleoptera:
Curculionidae).
Stephen L. Lapointe . . . . 150
Cold Tolerance of Overwintering Bean Leaf Beetles (Coleoptera: Chrysomelidae).
Wai-Ki F. Lam and Larry P. Pedigo . . . . 157
Oviposition Response of Spruce Budworm (Lepidoptera: Tortricidae) to Aliphatic
Carboxylic Acids.
G. G. Grant, B. Zhao, and D. Langevin . . . . 164
Population and Community Ecology
Feeding Damage of the Introduced Leafhopper Sophonia rufofascia (Homoptera:
Cicadellidae) to Plants in Forests and Watersheds of the Hawaiian Islands.
Vincent P. Jones, Puanani Anderson-Wong, Peter A. Follett, Pingjun Yang, Daphne M.
Westcot, John S. Hu, and Diane E. Ullman . . . . 171
Community and Ecosystem Ecology
Temporal and Spatial Variation in a Parasitoid Community Associated with the Herbivores
That Feed on Missouri Quercus.
J. Le Corff, R. J. Marquis, and J. B. Whitfield . . . . 181
Effect of Host Plant Quality on the Sex Ratio and Fitness of Female Wheat Stem Sawflies
(Hymenoptera: Cephidae).
Wendell L. Morrill, James W. Gabor, David K. Weaver, Gregory D. Kushnak, and Norma J.
Irish . . . . 195
Ant (Hymenoptera: Formicidae) Responses to Environmental Stressors in the Northern
Chihuahuan Desert.
Maliha S. Nash, Walter G. Whitford, Justin Van Zee, and Kris M. Havstad . . . . 200
Population Ecology
Larval Substrates of Herminiine Noctuids (Lepidoptera): Macrodecomposers of Temperate
Leaf Litter.
F. M. Hohn and D. L. Wagner . . . . 207
Competition in Cereal Aphids (Homoptera: Aphididae) on Wheat Plants.
E. Gianoli . . . . 213
Effect of Leaf Age and Silverleaf Symptoms on Oviposition Site Selection and
Development of Bemisia argentifolii (Homoptera: Aleyrodidae) on Zucchini.
Yasmin J. Cardoza, Heather J. McAuslane, and Susan E. Webb . . . . 220
Aerial Movement of Western Corn Rootworm (Coleoptera: Chrysomelidae): Diel Periodicity
of Flight Activity in Soybean Fields.
Scott A. Isard, Joseph L. Spencer, Mark A. Nasser, and Eli Levine . . . . 226
Pollinating Efficacy of Osmia cornuta and Apis mellifera (Hymenoptera: Megachilidae,
Apidae) on `Red Delicious' Apple.
Narcis Vicens and Jordi Bosch . . . . . 235
Size and Dispersion of Colonies of Reticulitermes spp. (Isoptera: Rhinotermitidae) in a
Wildland and a Residential Location in Northern California.
Michael I. Haverty, Gail M. Getty, Kirsten A. Copren, and Vernard R. Lewis . . . . 241
Susceptibility of Eight U.S. Wheat Cultivars to Infestation by Rhyzopertha dominica
(Coleoptera: Bostrichidae).
Michael D. Toews, Gerrit W. Cuperus, and Thomas W. Phillips . . . . 250
Nest Growth and Survivorship in Three Species of Neotropical Nasutitermes (Isoptera:
Termitidae).
Barbara L. Thorne and Michael I. Haverty . . . . 256
Temperature Effects on Development, Fecundity, and Life Table Parameters of Amblyseius
womersleyi (Acari: Phytoseiidae).
Joon-Ho Lee and Jeong Joon Ahn . . . . 265
Spatial and Temporal Variation in the Density of Ixodes pacificus (Acari: Ixodidae)
Nymphs.
Lars Talleklint-Eisen and Robert S. Lane . . . . 272
Oviposition Preference and Larval Performance of the Western Spruce Budworm
(Lepidoptera: Tortricidae).
Kathryn J. Leyva, Karen M. Clancy, and Peter W. Price . . . . 281
Altitudinal Variation in Body Size and Population Density of Nicrophorus investigator
(Coleoptera: Silphidae).
Rosemary J. Smith, Amy Hines, Stephanie Richmond, Melissa Merrick, Allison Drew, and
Rachelle Fargo . . . . 290
Host Pubescence and the Behavior and Performance of the Butterfly Papilio Troilus
(Lepidoptera: Papilionidae).
Nick M. Haddad and William M. Hicks . . . . 299
Survival and Development of Chrysoperla rufilabris (Neuroptera: Chrysopidae) Supplied
with Pea Aphids (Homoptera: Aphididae) Reared on Alfalfa and Faba Bean.
Kristopher L. Giles, Robin D. Madden, Mark E. Payton, and Jack W. Dillwith . . . . 304
Pest Management and Sampling
Arthropod Populations in Early Soybean Production Systems in the Mid-South.
M. E. Baur, David J. Boethel, Michael L. Boyd, Glenn R. Bowers, M. O. Way, Larry G.
Heatherly, James Rabb, and Lanny Ashlock . . . . 312
Progress Toward Liquid Formulations of Particle Films for Insect and Disease Control in
Pear.
Gary J. Puterka, D. Michael Glenn, Dennis G. Sekutowski, Tom R. Unruh, and Sharon K. Jones
. . . . 329
Biological Control
Effects of Broad-Spectrum Insecticides on Epigeal Arthropod Biodiversity in Pacific
Northwest Apple Orchards.
D. L. Epstein, R. S. Zack, J. F. Brunner, L. Gut, and J. J. Brown . . . . 340
Use of Picloram to Enhance Establishment of Cyphocleonus achates (Coleoptera:
Curculionidae).
James S. Jacobs, Roger L. Sheley, and Jim M. Story . . . . 349
Classical Biological Control of the Mealybug Phenacoccus herreni (Hemiptera:
Pseudococcidae) in Northeastern Brazil.
J.M.S. Bento, G. J. de Morales, A. P. de Matos, and A. C. Bellotti . . . . 355
Abundance and Effects of Predators and Parasitoids on the Russian Wheat Aphid
(Homoptera: Aphididae) Under Organic Farming Conditions in Colorado.
Ahmed H. Mohamed, Philip J. Lester, and Thomas O. Holtzer . . . . 360
