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Foliar Persistence and Effect of Fenoxycarb on Platynota idaeusalis (Lepidoptera: Tortricidae) on Apple

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Bioassayswere conducted to examine the residual activity of the insect growth regulator fenoxycarb, at two rates (20 and 40 ppm), against eggs and late instars of the tufted apple bud moth, Platynota idaeusalis (Walker). Both rates of fenoxycarb showed very good larvicidal activity 3-4 wk after application. Fenoxycarb had no effect on P. idaeusalis eggs. Field trials conducted over 2 yr showed that fenoxycarb provided control of P. idaeusalis equivalent to conventional insecticides, but with fewer applications. Fenoxycarb did not affect integrated mite control, but indirect evidence suggested a possible detrimental effect on immatures of Stethorus punctum (LeConte).

Document Type: Research Article

Publication date: June 1, 1991

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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