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Heterospilus cephi Rohwer, a Parasite of the European Wheat Sawfly, Cephus pygmaeus (L)


Author:
Hill, C.C. and Smith, H.D.
Source:
USDA
Year:
1931
Format:
p. 597-609.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43968039