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Larvae of the sugar-beet wireworm, Limonius californicus (Mannerheim), were exposed continuously for 26 and 80 days to soil treated with 2.5 and 1.56 ppm, respectively, of aldrin. Survival exceeded 20%. Aldrin was rapidly epoxidized to dieldrin and concentrated within the larvae. The total content of aldrin and dieldrin in exposed larvae rapidly declined after the larvae were placed in insecticide-free soil. Some insecticide was probably excreted. The susceptibility of larvae from 3 locations in eastern Washington did not vary significantly. Larvae tested in 1964 were much less susceptible than those tested in Washington during 1949-51.
Document Type: Research Article
Publication date: October 1, 1966
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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.