Reduced Pollen Collection by Honey Bee (Hymenoptera: Apidae) Colonies Infected with Nosema apis and Sacbrood Virus

Author: Anderson Denis L.   Giacon Helen  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.85, Iss.1, 1992-02, pp. : 47-51

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