Aerial Applications of Esfenvalerate to Suppress Contarinia oregonensis (Diptera: Cecidomyiidae) and Megastigmus spermotrophus (Hymenoptera: Torymidae) in Douglas-Fir Seed Orchards

Author： SANDQUlST ROGER E.   OVERHULSER DAVID L.   STEIN JOHN D.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.86, Iss.2, 1993-04, pp. : 470-474

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