Forum

Functional Response and Search Strategy of Podisus maculiventris (Heteroptera: Pentatomidae) Attacking Colorado Potato Beetle (Coleoptera: Chrysomelidae). 
Robert J. O'Neil . . . . 1183

Pest Management and Sampling

Growth and Yield Response of Rice to Rice Water Weevil Injury.
G. W. Wu and L. T. Wilson . . . . 1191

Spatial Pattern of Saissetia oleae (Homoptera: Coccidae) in Greece.
E. T. Kapatos, E. T. Stratopoulou, and A. Sahinoglou . . . . 1202

Seasonal Emergence-Time Effects on Adult Longevity, Fecundity, and Egg Viability of Northern and Western Corn Rootworms (Coleoptera: Chrysomelidae).
Mark A. Boetel and Billy W. Fuller . . . . 1208

Nonlinearity of a Generic Variance-Mean Equation for Stored-Grain Insect Sampling Data.
David W. Hagstrum, Bh. Subramanyam, and P. W. Flinn . . . . 1213

Community and Ecosystem Ecology

Grasshopper (Orthoptera: Acrididae) Foraging on Grasshopper Feces: Observational and Rubidium-Labeling Studies. 
Kevin M. O'Neill, Stephen A. Woods, and Douglas A. Streett . . . . 1224

Spatial Variation in Herbivory by Forest Canopy Arthropods Along an Elevation Gradient.
Barbara C. Reynolds and D. A. Crossley, Jr. . . . . 1232

Population Ecology

Predation on the Horn Fly (Diptera: Muscidae) by Five Species of Philonthus (Coleoptera: Staphylinidae).
G. Y. Hu and J. H. Frank . . . . 1240

Dispersal of Mated Female Hessian Flies (Diptera: Cecidomyiidae) in Field Arrays of Host and Nonhost Plants.
T. M. Withers, M. O. Harris, and C. Madie . . . . 1247

Distribution of Caenocholax fenyesi (Strepsiptera: Myrmecolacidae) and the Habitats Most Likely To Contain Its Stylopized Host, Solenopsis invicta (Hymenoptera: Formicidae). 
Jerry L. Cook, J. Spencer Johnston, Roger E. Gold, and S. Bradleigh Vinson . . . . 1258

Population Fluctuations of Adult Mediterranean Fruit Flies (Diptera: Tephritidae) in a Mediterranean Heterogeneous Agricultural Region.
Nimrod Israely, Boaz Yuval, Uriel Kitron, and David Nestel . . . . 1263

Reproductive Response of Coleomegilla maculata (Coleoptera: Coccinellidae) to Colorado Potato Beetle (Coleoptera: Chrysomelidae) Eggs.
Joseph Munyaneza and John J. Obrycki . . . . 1270

Effects of Host Diet on the Orientation, Development, and Subsequent Generations of the Gypsy Moth (Lepidoptera: Lymantriidae) Egg Parasitoid Ooencyrtus kuvanae (Hymenoptera: Encyrtidae).
Richard W. Hofstetter and Kenneth F. Raffa . . . . 1276

Effects of Moonlight and Meteorological Factors on Light and Bait Trap Catches of Noctuid Moths (Lepidoptera: Noctuidae). 
Jos Luis Yela and Marcel Holyoak . . . . 1283

Life Tables for the Koa Seedworm (Lepidoptera: Tortricidae) Based on Degree-Day Demography.
Vincent P. Jones, Carrie H. M. Tome, and Lois C. Caprio . . . . 1291

Small-Grain Aphid Parasitoids (Hymenoptera: Aphelinidae and Aphidiidae) of Washington: Distribution, Relative Abundance, Seasonal Occurrence, and Key to Known North American Species.
K. S. Pike, P. Star, T. Miller, D. Allison, L. Boydston, G. Graf, and R. Gillespie . . . . 1299

Effects of Elevated CO2, Soil Nutrient Levels, and Foliage Age on the Performance of Two Generations of Neodiprion lecontei (Hymenoptera: Diprionidae) Feeding on Loblolly Pine.
Ray S. Williams, Richard B. Thomas, Boyd R. Strain, and David E. Lincoln . . . . 1312

Effect of Rye Incorporation, Planting Date, and Soil Temperature on Damage to Muskmelon Transplants by Seedcorn Maggot (Diptera: Anthomyiidae).
Gerald E. Brust, Rick E. Foster, and Wayne Buhler . . . . 1323

Influence of Pulp and Paper Mill Wastewater on Chrysomela scripta (Coleoptera: Chrysomelidae) Performance and Populus Plant Traits. 
Sylvie Augustin, Michael R. Wagner, Jacques Chenault, and Karen M. Clancy . . . . 1327

Behavioral and Feeding Assays Reveal a Western Corn Rootworm (Coleoptera: Chrysomelidae) Variant That Is Attracted to Soybean.
Amy E. Sammons, C. Richard Edwards, Larry W. Bledsoe, Philip J. Boeve, and Jeffrey J. Stuart . . . . 1336

Spatial Analysis of Ecological Factors Related to Rangeland Grasshopper (Orthoptera: Acrididae) Outbreaks in Wyoming.
Scott P. Schell and Jeffrey A. Lockwood . . . . 1343

Oviposition, Development, and Host Preference of the Cross-Striped Cabbageworm (Lepidoptera: Pyralidae).
W. T. Mays and L. T. Kok . . . . 1354

Physiological and Chemical Ecology

No Effects of Sulphur Dioxide on Larval Performance of Epirrita autumnata (Lepidoptera: Geometridae).
Mikhail V. Kozlov and Andrey V. Selikhovkin . . . . 1361

Intra- and Interspecific Genetic Variation in the Gustatory Perception of Cucurbitacins by Diabroticite Rootworms (Coleoptera: Chrysomelidae).
Douglas W. Tallamy, Piotr M. Gorski, and John D. Pesek . . . . 1364

Ovarian Maturation Under Cold Winter Conditions in a High-Mountain Ant (Hymenoptera: Formicidae).
I. Fernndez Escudero, A. Tinaut, and F. Ruano . . . . 1373

Winter Conditioning of Third Instars of the Gall Fly Eurosta solidaginis (Diptera: Tephritidae) from Western Pennsylvania.
Jack R. Layne, Jr., and Rebecca E. Medwith . . . . 1378

Biological Control

Diurnal Behavior of Eriborus terebrans (Hymenoptera: Ichneumonidae).
Lawrence E. Dyer and Douglas A. Landis . . . . 1385

Midseason Insecticide Treatment of Balsam Twig Aphids (Homoptera: Aphididae) and Their Aphidophagous Predators in a Wisconsin Christmas Tree Plantation.
Paula K. Kleintjes . . . . 1393

Host-Plant Effects on the Efficacy of Two Predators Attacking Russian Wheat Aphids (Homoptera: Aphididae).
Frank J. Messina, Thomas A. Jones, and Dale C. Nielson . . . . 1398

Establishment, Spread, and Impact of Teretriosoma nigrescens (Coleoptera: Histeridae), an Exotic Predator of the Larger Grain Borer (Coleoptera: Bostrichidae) in Southwestern Benin.
Christian Borgemeister, Felicien Djossou, Cyrille Adda, Heiner Schneider, Bernadin Djomamou, Pascal Degbey, Ben Azoma, and Richard H. Markham . . . . 1405

Temperature Dependence in Locomotion of the Parasitoid Aphelinus asychis (Hymenoptera: Aphelinidae) from Geographical Regions with Different Climates.
Peter G. Mason and Keith R. Hopper . . . . 1416

Insectary Rearing and Initial Testing in Canada of an Organophosphate/Pyrethroid-Resistant Strain of the Predator Mite Typhlodromus pyri (Acari: Phytoseiidae) from New Zealand.
John Michael Hardman, Mark L. Rogers, Sonia O. Gaul, and Erika D. Bent . . . . 1424

Effects of Pea Aphid (Homoptera: Aphididae) Honeydew on Longevity and Fecundity of the Alfalfa Weevil (Coleoptera: Curculionidae) Parasitoid Bathyplectes curculionis (Hymenoptera: Ichneumonidae).
Staci England and Edward W. Evans . . . . 1437

Apparent Fate of Gypsy Moth (Lepidoptera: Lymantriidae) Pupae Stung by the Introduced Parasite Coccygomimus disparis (Hymenoptera: Ichneumonidae).
Roger W. Fuester, Paul T. Sandridge, Norman H. Dill, Joseph M. McLaughlin, Philip B. Taylor, Jim O. D. Sigmond, and Charles J. Newlon . . . . 1442

Acute and Sublethal Activity of the Entomopathogenic Fungus Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) on Adult Aphelinus asychis (Hymenoptera: Aphelinidae).
Lawrence A. Lacey, Antonio L. M. Mesquita, Guy Mercadier, Remi Debire, David J. Kazmer, and Francois Leclant . . . . 1452

The Celery Looper (Lepidoptera: Noctuidae) Baculovirus: Potency and Enhancement by Blankophor BBH Against 3 Lepidopteran Species.
Robert R. Farrar, Jr., and Richard L. Ridgway . . . . 1461

Sunlight Stability and Rain-Fastness of Formulations of Baculovirus heliothis.
C. M. Ignoffo, C. Garcia, and S. G. Saathoff . . . . 1470

Sporogenous Midgut Bacteria of the Leafroller, Pandemis pyrusana (Lepidoptera: Tortricidae).
John L. McKillip, Christopher L. Small, John L. Brown, Jay F. Brunner, and Kemet D. Spence . . . . 1475

Comparison of Orius insidiosus (Heteroptera: Anthocoridae) and Nabis roseipennis (Heteroptera: Nabidae) as Predators of the Green Cloverworm (Lepidoptera: Noctuidae).
Dorothy J. Clements and Kenneth V. Yeargan . . . . 1482