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Subjects insect pests Remove constraint insect pests: insect pests Subjects parasitoids Remove constraint parasitoids: parasitoids Collections Organic Roots Collection Remove constraint Organic Roots Collection: Organic Roots Collection

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1. Grasshopper control in relation to cereal and forage crops

Author:: Walton, William Randolph , 1873-1952
Subject:: Locusts Control , Grain Diseases and pests , grasshoppers , insect pests , crop damage , crop losses , natural enemies , parasitoids , biological control agents , physical control , trapping , poisoning of animal pests , arsenicals , baits , baiting , tillage , grain crops , forage crops , Melanoplus sanguinipes , Melanoplus differentialis , Melanoplus bivittatus , Melanoplus femurrubrum , Camnula pellucida , Dissosteira longipennis , Brachystola magna
Physical description:: 20 p. : ill. ; 23 cm.
Additional Author(s):: Walton, William Randolph , 1873-1952
Collection:: Organic Roots Collection
Series:: Farmers' bulletin

2. The gipsy moth and the brown-tail moth, with suggestions for their control

Author:: Burgess, A. F. (Albert Franklin) , 1873-
Subject:: Gypsy moth , Browntail moth , forest pests , insect pests , invasive species , life history , larvae , natural enemies , biological control , parasitoids , physical control , control methods , pest control
Physical description:: 24 p. : ill., 1 map ; 23 cm.
Additional Author(s):: Burgess, A. F. (Albert Franklin) , 1873-
Collection:: Organic Roots Collection
Series:: Farmers' bulletin

3. The serphoid and chalcidoid parasites of the hessian fly

Author:: Gahan, A. B. (Arthur Burton) , 1880-
Subject:: Hessian flies Parasites , Host-parasite relationships , Parasitic insects United States Classification , parasitoids , biological control agents , host-parasite relationships , natural enemies , grain crops , insect pests , plant pests , Diptera
Physical description:: 148 p. : ill. ; 23 cm.
Additional Author(s):: Gahan, A. B. (Arthur Burton) , 1880-
Collection:: Organic Roots Collection
Series:: Miscellaneous publication

4. 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