Pest Management and Sampling

Validation of a Process-Oriented Model of Bacillus thuringiensis Variety kurstaki Efficacy Against Spruce Budworm (Lepidoptera: Tortricidae).
Jacques Regniere and Barry Cooke .... 801

Effects of Hexaflumuron on Transovarial, Ovicidal, and Progeny Development of Aubeonymus mariaefranciscae (Coleoptera: Curculionidae).
Vicente Marco, Gema Perez-Farinos, and Pedro Castaera .... 812

Susceptibility of Highbush Blueberry Cultivars to Larval Infestation by Rhagoletis mendax (Diptera: Tephritidae).
Oscar E. Liburd, Steven R. Alm, and Richard A. Casagrande .... 817

Population Ecology

Effects of Abiotic Factors on the Distribution and Activity of the Invasive Argentine Ant (Hymenoptera: Formicidae).
Kathleen G. Human, Stuart Weiss, Andrew Weiss, Bennet Sandler, and Deborah M. Gordon .... 822

Population Growth of Rhinocyllus conicus (Coleoptera: Curculionidae) on Two Species of Native Thistles in Prairie. 
Svata M. Louda .... 834

Analysis of Gypsy Moth (Lepidoptera: Lymantriidae) Population Dynamics in Michigan Using Geographic Information Systems.
Dongsheng Yang, Bryan C. Pijanowski, and Stuart H. Gage .... 842

Attraction of Rhagoletis pomonella (Diptera: Tephritidae) Flies to Odor of Bacteria: Apparent Confinement to Specialized Members of Enterobacteriaceae.
C. R. Lauzon, R. E. Sjogren, S. E. Wright, and R. J. Prokopy .... 853

Forest Type Affects Predation on Gypsy Moth (Lepidoptera: Lymantriidae) Pupae in Japan.
Andrew M. Liebhold, Yasutomo Higashiura, and Akira Unno .... 858

Stage Sensitivity to Food Limitation for a Generalist Arthropod Predator, Pterostichus cupreus (Coleoptera: Carabidae).
Riccardo Bommarco .... 863

Abundance of Neopelma baccharidis (Homoptera: Psyllidae) Galls on the Dioecious Shrub Baccharis dracunculifolia (Asteraceae).
M. M. Esprito-Santo and G. Wilson Fernandes .... 870

Effect of Cone Size on Adult and Larval Foraging Behavior of Strobilomyia neanthracina and Strobilomyia appalachensis (Diptera: Anthomyiidae). 
Laura L. Fidgen, D. T. Quiring, and Jon D. Sweeney .... 877

Comparison of Oviposition and Longevity of Monochamus alternatus and M. carolinensis (Coleoptera: Cerambycidae) Under Laboratory Conditions.
Xu Zhang and Marc J. Linit .... 885

Population Model for Melanoplus sanguinipes (Orthoptera: Acrididae) and an Analysis of Grasshopper Population Fluctuations in Colorado. 
Mark R. Carter, Ian V. Macrae, Jesse A. Logan, and Thomas O. Holtzer .... 892

Behavior and Effectiveness of Adult Hippodamia convergens (Coleoptera: Coccinellidae) as a Predator of Acyrthosiphon pisum (Homoptera: Aphididae) on a Wax Mutant of Pisum sativum.
S. D. Eigenbrode, C. White, M. Rohde, and C. J. Simon .... 902

Geostatistical Characterization of the Spatial Distribution of Adult Corn Rootworm (Coleoptera: Chrysomelidae) Emergence. 
M. M. Ellsbury, W. D. Woodson, S. A. Clay, D. Malo, J. Schumacher, D. E. Clay, and C. G. Carlson .... 910

Spatial Aggregation of Apple Mites (Acari: Phytoseiidae, Stigmaeidae, Tetranychidae) as Measured by a Binomial Model: Effects of Life Stage, Reproduction, Competition, and Predation.
D. H. Slone and B. A. Croft .... 918

Oviposition Preference and Larval Performance of Liriomyza helianthi (Diptera: Agromyzidae) on Normal and Novel Host Plants. 
Claudio Gratton and Stephen C. Welter .... 926

Effect of Naphthalene, Butylated Hydroxytoluene, Dioctyl Phthalate, and Adipic Dioctyl Ester, Chemicals Found in the Nests of the Formosan Subterranean Termite (Isoptera: Rhinotermitidae) on a Saprophytic Mucor sp. (Zygomycetes: Mucorales).
Beverly A. Wiltz, Gregg Henderson, and Jian Chen .... 936

Spatial Distribution of Chironomid Larvae (Diptera: Chironomidae) in Two Central Florida Lakes.
Arshad Ali, Wei-Dong Gu and Richard J. Lobinske .... 941

Changes in the Foraging Behavior, Within-Plant Vertical Distribution, and Microhabitat Selection of a Generalist Insect Predator: an Age Analysis.
Jorge J. Cisneros and Jay A. Rosenheim .... 949

Temperature-Dependent Model for Simulating Development of the Larval Stages of Baris coerulescens (Coleoptera: Curculionidae) on Winter Oilseed Rape.
Jacques Lerin and Khalid Koubaiti .... 958

Polymerase Chain Reaction Techniques to Detect Multiple-Nucleopolyhedrovirus in Anticarsia gemmatalis (Lepidoptera: Noctuidae) and Predator Populations in Soybean.
Rejane R. De Moraes, Joseph E. Funderburk, and James E. Maruniak .... 968

Physiological and Chemical Ecology

Influence of Natural and Synthetic Compounds on the Infectivity of a Vairimorpha (Microspora) sp. in Trichoplusia ni (Lepidoptera: Noctuidae) Larvae.
Lisa Carloye, Joseph V. Maddox, and May R. Berenbaum .... 976

Deterring and Inhibiting Effects of Quinolizidine Alkaloids on Spruce Budworm (Lepidoptera: Tortricidae) Oviposition.
Boguang Zhao, G. G. Grant, D. Langevin, and L. Macdonald .... 984

Biological Control

Herbivore Adaptations to a Low-Nutrient Food: Weed Biological Control Specialist Spodoptera pectinicornis (Lepidoptera: Noctuidae) Fed the Floating Aquatic Plant Pistia stratiotes. 
G. S. Wheeler, T. K. Van, and T. D. Center .... 993

Temperature-Dependent Development in an Oregon Population of Harmonia axyridis (Coleoptera: Coccinellidae).
Michael L. Lamana and Jeffrey C. Miller .... 1001

Acceptance and Utilization of Diapausing Helicoverpa zea (Lepidoptera: Noctuidae) Pupae by Ichneumon promissorius (Hymenoptera: Ichneumonidae).
Andrew I. Mackay and Timothy J. Kring .... 1006

An Immunomarking Technique for Labeling Minute Parasitoids.
James R. Hagler and Charles G. Jackson .... 1010

Dose-Response and Age- and Temperature-Related Susceptibility of the Diamondback Moth (Lepidoptera: Plutellidae) to Two Isolates of Beauveria bassiana (Hyphomycetes: Moniliaceae).
John D. Vandenberg, Mark Ramos, and Jennifer A. Altre .... 1017

Effect of Tetrastichus giffardianus (Hymenoptera: Eulophidae) on Nontarget Flowerhead-Feeding Tephritids (Diptera: Tephritidae).
Jian J. Duan and Russell H. Messing .... 1022

Dispersal and Dispersion of Aphids (Homoptera: Aphididae) and Selected Natural Enemies in Spatially Subdivided Greenhouse Environments.
Kevin M. Heinz .... 1029

Selectivity of Whitefly Traps in Cotton for Eretmocerus eremicus (Hymenoptera: Aphelinidae), a Native Parasitoid of Bemisia argentifolii (Homoptera: Aleyrodidae).
K. A. Hoelmer, W. J. Roltsch, C. C. Chu, and T. J. Henneberry .... 1039

Dispersal and Longevity of Mass-Released, Sterilized Mexican Fruit Flies (Diptera: Tephritidae).
Donald B. Thomas and Jesus Loera-Gallardo .... 1045