Robert W. Kieckhefer

Yield Losses in Winter Grains Caused by Cereal Aphids (Homoptera: Aphididae) in South Dakota

Field populations of cereal aphids in South Dakota spring grains.

Dispersal of Marked Adult Coccinellids from Crops in South Dakota

Rearing Three Species of Cereal Aphids on Artificial Diets

Some Environmental Factors Influencing Oviposition by the Potato Leafhopper, Empoasca fabae

Toxicity of Malathion and Parathion to Predators of the English Grain Aphid

Biological Notes on Empoasca fabae in Wisconsin

Estimates of Loss of Yield Caused by the Wheat Stem Maggot to South Dakota Cereal Crops

Toxicity of Cellulose Acetate Sheeting to Leguminous Plants

Seasonal Appearance and Movement of Adult Wheat Stem Maggots in South Dakota Cereal Crops