Prey, predators, parasites, and habits of the great golden digger wasp, Chlorion ichneumoneum, in New York.

Typewritten.

Biology and ecology of two predators : Geocoris palens Stål and G. bullatus (Say) /

Caption title.

Annotated list of the insects and mites associated with stored grain and cereal products, and of their arthropod parasites and predators /

"July 1937."

Arthropod and nematode parasites, parasitoids, and predators of Acrididae in America north of Mexico /

Includes bibliographical references (p. 261-286) and index.

Cotton insect populations : development and impact of predators and other mortality factors /

Cover title.