Environmental Entomology Volume 29 Number 1, February 2000



Specific Impacts of Herbivores: Comparing Diverse Insect Species on Young Plants. 
J. E. Gavloski and R. J. Lamb . . . 1

Physiological and Chemical Ecology

Development and Emergence of the Orchard Pollinator Osmia lignaria (Hymenoptera: Megachilidae). 
J. Bosch and W. P. Kemp . . . 8

Responses of Female Oriental Fruit Flies (Diptera: Tephritidae) to Protein and Host Fruit Odors in Field Cage and Open Field Tests. 
Mary L. Cornelius, Laurent Nergel, Jian J. Duan, and Russell H. Messing . . . 14

Community and Ecosystem Ecology

Stand Conditions Associated with Roundheaded Pine Beetle (Coleoptera: Scolytidae) Infestations in Arizona and Utah. 
Jose F. Negron, Jill L. Wilson, and John A. Anhold . . . 20

Interactions Between Scolytus ventralis and Pityokteines elegans (Coleoptera: Scolytidae) in Abies grandis
Jorge E. Macias-Samano and John H. Borden . . . 28

Antipredator Behavior of Spotted Cucumber Beetles (Coleoptera: Chrysomelidae) in Response to Predators That Pose Varying Risks. 
William E. Snyder and David H. Wise . . . 35

Population Ecology

Effect of Cottonwood Leaf Beetle (Coleoptera: Chrysomelidae) Larval Population Levels on PopulusTerminal Damage. 
Ying Fang and Elwood R. Hart . . . 43

Patterns of Host Plant Growth and Attack and Establishment of Gall-Inducing Wasp (Hymenoptera: Cynipidae). 
Carmen S. S. Pires, Peter W. Price . . . 49

Comparative Dispersal of Trichogramma evanescens and Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) in Relation to Environmental Conditions. 
Francois Fournier and Guy Boivin . . . 55

Life History and Population Characteristics of the Mantid Stagmomantis carolina (Mantodea: Mantidae).
Shonda J. Harris and Matthew D. Moran . . . 64

Nest Site Orientation and Relocation of Populations of the Orchard Pollinator Osmia cornuta(Hymenoptera: Megachilidae). 
Narcis Vicens and Jordi Bosch . . . 69

Ecology of Heteropsylla cubana (Homoptera: Psyllidae): Psyllid Damage, Tree Phenology, Thermal Relations, and Parasitism in the Field. 
Chris A. Geiger and Andrew P. Gutierrez . . . 76


Biological Control

Host Species and Host Plant Effects on Preference and Performance of Diachasmimorpha longicaudata(Hymenoptera: Braconidae). 
A. Eben, B. Benrey, J. Sivinski, and M. Aluja . . . 87

Fall Flaming Effects on Densities, Distributions, and Dispersal of Tetranychus urticae and Neoseiulus fallacis (Acari: Tetranychidae, Phytoseiidae) on Peppermint. 
M. A. Morris, R. E. Berry, and B. A. Croft . . . 95

Synergy Between Zwittermicin A and Bacillus thuringiensis subsp. kurstaki Against Gypsy Moth (Lepidoptera: Lymantriidae). 
Nichole A. Broderick, Robert M. Goodman, Kenneth F. Raffa, and Jo Handelsman . . . 101

Host Plant Effects on the Activity of Selected Nuclear Polyhedrosis Viruses Against the Corn Earworm and Beet Armyworm (Lepidoptera: Noctuidae). 
Robert R. Farrar, Jr., and Richard L. Ridgway . . . 108

Ant Predation on Eggs and Larvae of the Black Cutworm (Lepidoptera: Noctuidae) and Japanese Beetle (Coleoptera: Scarabaeidae) in Turfgrass. 
Rolando Lopez and Daniel A. Potter . . . 116

Laboratory Evaluation of the Impact of Entomopathogenic Fungi on Prorops nasuta (Hymenoptera: Bethylidae), a Parasitoid of the Coffee Berry Borer. 
W. de la Rosa, H. R. Segura, J. F. Barrera, and T. Williams . . . 126


Biological Indicators of Soil Health. C. E. Pankhurst, M. M. Doube, and V. V. S. R. Gupta [eds.] 
Reviewed by Gerardo R. Camilo . . . 132

Forest Insect Litter Communities: Biology and Chemical Ecology. T. N. Ananthakrishnan 
Reviewed by Gerardo R. Camilo . . . 133