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The Evaluation of Insecticides for the Control of Tendipes Plumosus (Linnaeus)1

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In laboratory tests, 16 commercially available oregano phosphate Insecticides were screened to determine their relative toxicity to larvae of Tendipes plumosus (Linnaeus) and to the fathead minnow, Pimephales promelas Rafinesque. DDVP, Dipterex, EPN, Guthion, malathion, and Phosdrin all showed considerable toxicity to the larvae at concentrations of 0.1 pounds or lees per acre of the technical material incorporated into granules, Of these six insecticides, DDVP at 50 pounds per acre, Dipterex at 100 pounds per acre, and malathion at 20 pounds per acre showed no toxicity to the minnows in replicated tests. These same three insecticides, in replicated tests, all produced 97% mortality of T. plumosus larvae within 7 days at concentrations of 0.75 pounds per acre and Dipterex produced 97% mortality at 0.05 pounds per acre.

Document Type: Research Article

Publication date: April 1, 1959

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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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