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The serphoid and chalcidoid parasites of the hessian fly


Author:
Gahan, A. B.
Source:
Miscellaneous publication / United States Department of Agriculture 1933
Year:
1933
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, and Diptera
Format:
148 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection