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W. A. Shands

United States Department of Agriculture

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Featured researches published by W. A. Shands.

Archive | 1972

TB54: Importance of Arthropod Predators in Controlling Aphids on Potatoes in Northeastern Maine

W. A. Shands; Geddes W. Simpson; H. E. Wave; Corinne C. Gordon

Journal of Economic Entomology | 1970

Improved laboratory Production of Eggs of Coccinella septempunctata

W. A. Shands; R. L. Holmes; Geddes W. Simpson

Journal of Economic Entomology | 1972

Insect Predators for Controlling Aphids on Potatoes. 5. Numbers of Eggs and Schedules for Introducing Them in Large Field Cages1

W. A. Shands; Geddes W. Simpson; Corinne C. Gordon

Importance of entomogenous fungi in controlling aphids on potatoes in northeastern Maine. | 1963

TB6: Importance of Entomogenous Fungi in Controlling Aphids on Potatoes in Northeastern Maine

W. A. Shands; Geddes W. Simpson; I. M. Hall

Journal of Economic Entomology | 1972

Insect Predators for Controlling Aphids on Potatoes. 4. Spatial Distribution of Introduced Eggs of Two Species of Predators in Small Fields

W. A. Shands; Geddes W. Simpson

Journal of Economic Entomology | 1972

Effects of Aluminum Foil Mulches upon Abundance of Aphids on, and Yield of Potatoes in Northeastern Maine12

W. A. Shands; Geddes W. Simpson

Journal of Economic Entomology | 1972

Insect Predators for Controlling Aphids on Potatoes. 6. Development of a Spray Technique for Applying Eggs in the Field1

W. A. Shands; Corinne C. Gordon; Geddes W. Simpson

Journal of Economic Entomology | 1972

Insect Predators for Controlling Aphids on Potatoes. 1. In Small Plots

W. A. Shands; Geddes W. Simpson; M. H. Brunson

Environmental Entomology | 1975

Evaluation of Field Introductions of Two Insect Parasites (Hymenoptera: Braconidae) for Controlling Potato-infesting Aphids

W. A. Shands; Geddes W. Simpson; Blanche A. Simpson

Journal of Economic Entomology | 1972

Insect Predators for Controlling Aphids on Potatoes. 3. In Small Plots Separated by Aluminum Flashing Strip-Coated with a Chemical Barrier and in Small Fields

W. A. Shands; Geddes W. Simpson; R. H. Storch

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Geddes W. Simpson

Kansas State University

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Norman Allen

United States Department of Agriculture

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Blanche A. Simpson

University of Maine

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J. U. Gilmore

United States Department of Agriculture

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R. L. Holmes

University of Maine

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T. E. Bronson

United States Department of Agriculture

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