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Tests were conducted to measure the susceptibility of codling moth, Cydia pomonelia (L.), adults and larvae of both field and laboratory colonies at Yakima, Wash., to azinphosmethyl and to compare these data with results obtained previously as a test for development of pesticide resistance. Presently, there seems to be no resistance to azinphosmethyl after 22 to 23 years of use. The minimum lethal residue for adults was 0.33 µg/cm2, and for larvae 1.17 µg/cm2 or 168 ppm. The LD50 for the adults of the two strains tested was 0.13 and 0.21 µg/moth.
Document Type: Research Article
Publication date: August 1, 1983
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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.