Changes in California Red Scale Populations Following Sprays of Oils With and Without Derris Resins

Author: CRESSMAN A. W.   BROADBENT B. M.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.37, Iss.6, 1944-12, pp. : 809-813

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