Comparative Toxicities of Selected Insecticides Against Pink Bollworm (Lepidoptera: Gelechiidae) Moths

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Comparative toxicities of 23 insecticides to adult pink bollworm, Pectinophora gossypiella (Saunders), were determined by topical application. The smaller male was more susceptible than the female; however, the values were not significantly different. The moths were slightly more susceptible when the insecticides were applied to the thoracic dorsum than when they were applied to the abdominal venter. For doses applied to the dorsum, LD50, values at 48 h after treatment ranged from 0.0016 µg per male for cyfluthrin to 1.81 µg per male for malathion. These data may serve as reference values to determine if resistance to any of the insecticides develops in field populations of the pink bollworm; they may also aid in the selection of an insecticide for use in a spray program aimed at the adult moth or for use as an adulticide in a sex pheromone-insecticide (attracticide) system.

Document Type: Research Article

Publication date: February 1, 1984

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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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