Tomato Pinworm: Reduction of Egg Hatch with Insecticides

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Fifteen insecticides were evaluated in the laboratory as potential ovicides for control of Keiferia lycopersicella (Walsingham). In dips of leaves with attached eggs, seven of the insecticides reduced hatch of tomato pinworm eggs at least 75% at normal field use concentrations. After additional testing with serial dilutions, LC50 values were calculated for fenvalerate (0.6 ppm), permethrin (5.7 and 10.4 ppm, respectively, for the 3.2 EC and 2.0 EC formulations), endosulfan (163.9 ppm), sulprofos (329.7 ppm), methomyl (438.2 ppm for the 1.8-liter formulation), and diazinon (783.9 ppm). Early embryonic development apparently was not adversely affected, since treated eggs developed to the black-head stage before mortality occurred.

Document Type: Research Article

Publication date: February 1, 1982

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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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