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Collections Organic Roots Collection Remove constraint Organic Roots Collection: Organic Roots Collection Subjects parasitoids Remove constraint parasitoids: parasitoids Authors USDA Remove constraint USDA: USDA
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1. Annotated list of the insects and mites associated with stored grain and cereal products, and of their arthropod parasites and predators

Alternative Title:
List of the insects and mites associated with stored grain.
Author:
Cotton, R. T. , Good, Newell E. (Newell Emanuel), 1905 , USDA
Subject:
storage , grains , storage pests , storage insects , storage mites , food storage , parasitoids , biological control agents , Curculionidae , grain storage facilities , Food storage pests -- Catalogs and collections. , Grain -- Storage -- Diseases and injuries. , Parasitic insects -- Catalogs and collections.
Physical description:
81 p.
Collection:
Organic Roots Collection
Series:
Miscellaneous publication
Part Of:
Miscellaneous publication

2. Parasites and predators of the Mexican bean beetle in the United States

Author:
Howard, Neale F. (Neale Frederick), 1890 , Landis, B. J. (Birely J.), 1904 , USDA
Subject:
natural enemies , biological control agents , parasites , parasitoids , predators , predatory insects , entomopathogenic bacteria , entomopathogenic fungi , Epilachna varivestis , Mexican bean beetle -- Biological control -- United States.
Physical description:
12 p.
Collection:
Organic Roots Collection
Series:
Circular
Part Of:
Circular

3. The serphoid and chalcidoid parasites of the hessian fly

Author:
Gahan, A. B. (Arthur Burton), 1880 , USDA
Subject:
parasitoids , biological control agents , host-parasite relationships , natural enemies , grain crops , insect pests , plant pests , Diptera , Hessian flies -- Parasites. , Host-parasite relationships. , Parasitic insects -- United States -- Classification.
Physical description:
148 p.
Collection:
Organic Roots Collection
Series:
Miscellaneous publication
Part Of:
Miscellaneous publication