Environmental Entomology Volume 26 Number 1, February 1997



Functional Response, Variance, and Regression Analysis: A Reply to Williams and Juliano.
Yuqing Fan and Frederick L. Petitt 1

Pest Management and Sampling

Estimating Populations of Aphidophagous Coccinellidae (Coleoptera) in Winter Wheat.
G. J. Michels, Jr., N. C. Elliott, R. L. Romero, and W. B. French 4

Early-Season Migratory Flights of Corn Earworm (Lepidoptera: Noctuidae).
J. K. Westbrook, W. W. Wolf, P. D. Lingren, J. R. Raulston, J. D. Lopez, Jr., J. H. Matis, R. S. Eyster, J. F. Esquivel, and P. G. Schleider 12

Community and Ecosystem Ecology

Deforestation and Fire Impact on Edaphic Insect Larvae and Other Macroarthropods.
Pierre Paquin and Daniel Coderre 21

Effects of Nitrogen Source on Arthropod Biomass in No-Tillage and Conventional Tillage Grain Sorghum Agroecosystems.
Andrea J. Yates Blumberg, Paul F. Hendrix, and D. A. Crossley, Jr. 31

Host-Mediated Competition Between the Pathogen Bacillus thuringiensis and the Parasitoid Cotesia plutellae of the Diamondback Moth (Lepidoptera: Plutellidae).
Charles F. Chilcutt and Bruce E. Tabashnik 38

Population Ecology

Comparison of Different Models for Predicting Development Time of the European Corn Borer (Lepidoptera: Pyralidae).
B. Got, S. Piry, A. Migeon, and J. M. Labatte 46

Host-Plant Phenology and Colorado Potato Beetle (Coleoptera: Chrysomelidae) Population Trends in Eastern Washington.
Guomin Xu and Garrell E. Long 61

Genetic Variation in Larval Survival and Growth and Response to Selection by Colorado Potato Beetle (Coleoptera: Chrysomelidae) on Tomato.
Wenhua Lu, George G. Kennedy, and Fred Gould 67

Oviposition Responses of Soybean Looper (Lepidoptera: Noctuidae) to Varieties and Growth Stages of Soybean.
R. N. Mascarenhas and H. N. Pitre 76

Physiological and Chemical Ecology

Induction and Termination of Winter Diapause in a Californian Strain of the Cabbage Maggot (Diptera: Anthomyiidae).
S. Johnsen and A. P. Gutierrez 84

Reproductive Readiness and Niche Differences Affect Responses of Conifer Root Weevils (Coleoptera: Curculionidae) to Simulated Host Odors.
G. D. Hoffman, D.W.A. Hunt, S. M. Salom, and K. F. Raffa 91

Increased Pheromone Production in Wild Tobacco Budworm (Lepidoptera: Noctuidae) Exposed to Host Plants and Host Chemicals.
Ashok K. Raina, D. Michael Jackson, and Ray F. Severson 101

Biological Control

Influence of Temperature and Vapor Pressure Deficit on Survival of the Predatory Mite Amblyseius cucumeris (Acari: Phytoseiidae).
J. L. Shipp and Y. M. Van Houten 106

Nectar-Collecting Behavior of Diadegma insulare (Hymenoptera: Ichneumonidae), a Parasitoid of Diamondback Moth (Lepidoptera: Plutellidae).
A. B. Idris and E. Grafius 114

Predaceous Mites (Acari: Phytoseiidae) for Control of Spider Mites (Acari: Tetranychidae) in Nursery Citrus.
Elizabeth E. Grafton-Cardwell, Yuling Ouyang, and Rebecka A. Striggow 121

Infectivity of Celery Looper (Lepidoptera: Noctuidae) Multiple Nucleocapsid Polyhedrosis Virus to Navel Orangeworm (Lepidoptera: Pyralidae).
F. A. Cardenas, P. V. Vail, D. F. Hoffmann, J. S. Tebbets, and F. E. Schreiber 131