Field Tests of Systemic Insecticides for the Control of Sitka-Spruce Weevil

Author: Johnson Norman E.   Zingg John G.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.61, Iss.6, 1968-12, pp. : 1650-1652

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