Selection of Insecticides for Lure and Kill Studies Against Spodoptera littoralis (Lepidoptera: Noctuidae)

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Four pyrethroids, two carbamates, two organophosphates, and one formamadine were evaluated by topical bioassay against adult male Spodoptem littoralis Boisduval to test their suitability for lure and kill or attracticide crop protection systems. The pyrethroid lambda-cyhalothrin had the greatest toxicity at 24 and 48 h; this compound was selected for further investigation. Studies on cotton leaves sprayed at 500 IJ-g/ml (AI) showed that lO-s exposure of adult male moths to surface residues resulted in appreciable knockdown within 30 m. At 1,000 IJ-g/ml, marked disruption of mating was observed for 7-14 d after exposure under simulated field conditions. Subsequent field studies in Egypt showed that lambda-cyhalothrin (2,000 IJ-g/ml, lO-s exposure) gave excellent control of feral male S. littamlis for 14 d and apparently had no repellent activity.

Document Type: Research Article

Publication date: December 1, 1992

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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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