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Laboratory tests were conducted to determine the toxicity of 3 insecticides. DDT, Dursban® (O,O-diethyl O-(3,5,6-trichloro-2-pyridyl) phosphorothioate), and galecron® (N′-(4-chloro-O-tolyl) N′,N′-dimethylformamidine), to the various stages in the life cycle of Euxoa messoria(Harris). The insecticides were applied topically using a Potter spray tower. The results indicated that DDT was effective against the early larval stages, but ineffective against the later larval stages, eggs, pupae, and adults. Dursban was effective against eggs, early larval stages, and adults, but ineffective against the later larval stages and pupae. Galecron was highly selective and was effective only against the eggs.
Document Type: Research Article
Publication date: October 15, 1971
More about this publication?
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.