Production and Spread of the Woolly Aphis Parasite, Aphelinus Mali, in the Hood River Valley

Author: CHILDS LEROY   GILLESPIE   D. G  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.25, Iss.5, 1932-10, pp. : 1013-1016

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