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Phaeogenes nigridens Wesmael, an important ichneumonid parasite of the pupa of the European corn borer
Smith, H. D. (Herbert Dwight), 1894-1959.
European corn borer.
U.S. Dept. of Agriculture
Organic Roots Collection
This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.
Agricultural Research Service
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