Community and Ecosystem Ecology

Phytophagous Insects Associated with Hieracium pilosella (Asteraceae) in Hungary, Central Europe.
Mikls Srospataki . . . . 1

Population Ecology

Mortality and Emergence Pattern of Overwintering Cocoons of the Wasp Parasitoid Sphecophaga vesparum vesparum (Hymenoptera: Ichneumonidae) in New Zealand.
Richard J. Toft, Jason P. Malham, and Jacqueline R. Beggs . . . . 9

Temporal and Spatial Distribution of the Oriental Beetle (Coleoptera: Scarabaeidae) in a Golf Course Environment.
Henry T. Facundo, Michael G. Villani, Charles E. Linn, Jr., and Wendell L. Roelofs . . . . 14

A Novel Rate Model of Temperature-Dependent Development for Arthropods.
Jean-Francois Briere, Pascale Pracros, Alain-Yves Le Roux, and Jean-Sebastien Pierre . . . . 22

Induced Resistance in Agricultural Crops: Effects of Jasmonic Acid on Herbivory and Yield in Tomato Plants.
Jennifer S. Thaler . . . . 30 

Short-Term Effects of Defoliation by Sawflies (Hymenoptera: Diprionidae) on Above- and Below-ground Growth of Three Ponderosa Pine Genotypes.
Guillermo Sanchez-Martinez and Michael R. Wagner . . . . 38

Dynamics of Viral Disease and Population Fluctuations in Western Tent Caterpillars (Lepidoptera: Lasiocampidae) in Southwestern British Columbia, Canada.
Barbara Kukan and Judith H. Myers . . . . 44 

Argan (Sapotaceae) Trees as Reservoirs for Mediterranean Fruit Fly (Diptera: Tephritidae) in Morocco.
Domitien Debouzie and Ahmed Mazih . . . . 53

Host Range and Habitats of the Aphid Parasitoid Diaeretiella rapae (Hymenoptera: Aphidiidae) in Washington State.
K. S. Pike, P. Star, T. Miller, D. Allison, G. Graf, L. Boydston, R. Miller, and R. Gillespie . . . . 61

Pest Management and Sampling

Pyrethroid Encapsulation for Conservation of Acarine Predators and Reduced Spider Mite (Acari: Tetranychidae) Outbreaks in Apple Orchards.
P. J. Lester, D. J. Pree, H.M.A. Thistlewood, L. M. Trevisan, and R. Harmsen . . . . 72

Mating Disruption of Pandemis spp. (Lepidoptera: Tortricidae).
Alan L. Knight and J. E. Turner . . . . 81

Biological Control

Field Studies of the Parasitic Ant Solenopsis daguerrei (Hymenoptera: Formicidae) on Fire Ants in Argentina.
L. A. Calcaterra, J. A. Briano, and D. F. Williams . . . . 88

Cyzenis albicans (Diptera: Tachinidae) Does Not Prevent the Outbreak of Winter Moth (Lepidoptera: Geometridae) in Birch Stands and Blueberry Plots on the Lower Mainland of British Columbia.
Finbarr G. Horgan, Judith H. Myers, and Rose Van Meel . . . . 96 

Susceptibility of the Cottonwood Leaf Beetle (Coleoptera: Chrysomelidae) to Different Strains and Transgenic Toxins of Bacillus thuringiensis.
R. R. James, B. A. Croft, and S. H. Strauss . . . . 108 

Induction of Thermotolerance in Trichogramma brassicae (Hymenoptera: Trichogrammatidae).
C. Maisonhaute, J. Chihrane, and G. Laug . . . . 116

Influence of Rhopus nigroclavatus (Hymenoptera: Encyrtidae) on the Mealybugs Tridiscus sporoboli and Trionymus sp. (Homoptera: Pseudococcidae).
Tiffany M. Heng-Moss, Frederick P. Baxendale, Terrance P. Riordan, and Linda J. Young . . . . 123

Field Efficacy and Persistence of the Entomopathogenic Nematodes Heterorhabditis bacteriophora `Oswego' and H. bacteriophora `NC' on Alfalfa Snout Beetle Larvae (Coleoptera: Curculionidae).
Elson J. Shields, Antonio Testa, Joan M. Miller, and Kathy L. Flanders . . . . 128

Response of Catolaccus grandis (Hymenoptera: Pteromalidae) to its Natural Host After Ten Generations of Rearing on a Factitious Host, Callosobrucus maculatus (Coleoptera: Bruchidae).
M. G. Rojas, J. A. Morales-Ramos, and E. G. King . . . . 137