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Gary A Simmons

University of Michigan

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Annals of The Entomological Society of America | 1974

Estimating a Mortality Proportion When It Is Impossible to Count the Host Insect and the Mortality Factor at the Same Time

Gary A Simmons; Chao W. Chen

In extensive population monitoring, a mortality factor such as parasitism may be of interest, but the cost of rearing host insects for parasitoids may not be warranted. We describe an alternate method of estimating mortality.

Canadian Entomologist | 1973

DEFORMITY OF SUGAR MAPLE CAUSED BY BUD FEEDING INSECTS

Gary A Simmons; Fred B. Knight

Journal of Economic Entomology | 1990

Sequential sampling plans for spruce budworm (Lepidoptera: Tortricidae) egg mass density using Monte Carlo simulation.

Ann M. Lynch; Gary W. Fowler; Gary A Simmons

Archive | 1984

THE SHIGOMETER AS PREDICTOR OF BRONZE BIRCH BORER RISK

John Ball; Gary A Simmons

Journal of Economic Entomology | 1988

What sampling unit should be used in estimating jack pine budworm (Lepidoptera: Tortricidae) egg mass densities?

Gary W. Fowler; Gary A Simmons

Annals of The Entomological Society of America | 1973

The Obliquebanded Leafroller and Cenopis pettitana Infesting Maple Buds in Michigan

Gary A Simmons

Great Lakes Entomologist | 2017

Technology Transfer in Forest Pest Management: A Case History

John A. Witter; Gary A Simmons; Bruce A. Montgomery; Randall G. Rogan

Great Lakes Entomologist | 2017

The Influence of Host Condition on Post First Instar Development of the Bronze Birch Borer, Agrilus Anxius (Coleoptera: Buprestidae)

John Ball; Gary A Simmons

Great Lakes Entomologist | 2017

Michigan's Cooperative Forest Pest Management Program, A Team Approach to Improving Forest Management

Louis F Wilson; Daniel G Mosher; Gary A Simmons

Great Lakes Entomologist | 2017

Spruce Budworm Egg Mass Density on Balsam Fir: Low to Extreme Population Levels (Lepidoptera: Tortricidae)

Gary W. Fowler; Gary A Simmons

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Gary W. Fowler

University of Michigan

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Bruce A. Montgomery

University of Michigan

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Ann M. Lynch

University of Michigan

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Chao W. Chen

University of Maine

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Fred B. Knight

University of Michigan

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Jan P. Nyrop

Cornell University

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John A. Witter

University of Michigan

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Louis F. Wilson

United States Department of Agriculture

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Randall G. Rogan

Michigan State University

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