Pacific Southwest

Title: Oak leaf roller: contact toxicity of four insecticides applied to the larvae

Author: Greene, Lula E.; Page, Marion

Date: 1974

Source: Res. Note PSW-RN-291. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 3 p

Station ID: RN-PSW-291

Description: A defoliator of oak and witch-hazel, the oak leaf roller (Archips semiferanus [Walker]) is found in large numbers in northeastern United States and in southwest Ontario, Canada. DDT was formerly used to control this insect. As a preliminary step in finding alternatives to DDT for field testing against the oak leaf roller, four insecticides were evaluated in the laboratory. All four—bioethanomethrin, mexacarbate, phoxim, pyrethrins—caused 90 percent kill with less than 1 pg per insect.

Keywords: Archips semiferanus; chemical control; insecticides; bioethanomethrin; mexacarbate; phoxim; pyrethrins; Quercus spp.; Hamamelis spp.

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Citation

Greene, Lula E.; Page, Marion   1974.  Oak leaf roller: contact toxicity of four insecticides applied to the larvae.   Res. Note PSW-RN-291. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 3 p.