Laboratory Assay of Scolytus multistriatus and Dendrosoter protuberans on DDT and Methoxychlor

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Responses to DDT and methoxychlor by the smaller European elm bark beetle, Scolytus multistriatus (Marsham), and an imported hymenopterous parasite of the beetle were measured in laboratory assays. Both species were tested on a series of concentrations of each insecticide. There were no significant differences in the responses between species at the 95% confidence level, but there were significant differences between insecticides. About 100 times more methoxychlor than DDT was required to affect 50% of the insects. These results do not imply that 100 times more methoxychlor must be used to protect elms.

Document Type: Research Article

Publication date: December 15, 1970

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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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