The German Yellowjacket (Vespula germanica) Problem in the United States (Hymenoptera: Vespidae)

Author: Macdonald J. F   Akre R. D.   Keyel R. E.  

Publisher: Entomological Society of America

ISSN: 0013-8754

Source: Entomological Society of America. Bulletin, Vol.26, Iss.4, 1980-12, pp. : 436-444

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Abstract