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Parasites of the birch leaf-mining sawfly (Phyllotoma nemorata)


Author:
Dowden, Philip B.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 757 1941
Year:
1941
Subject:
Birch leaf-mining sawfly -- Biological control and Parasitic insects
Format:
56 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection