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The toxicities of 36 differently substituted sulphides, sulphoxides, and sulphones toward the larvae of Culex pipiens molestus Forskal and Aedes caspius (Pallas) were studied and compared with those of four of the commonly lIsed standards. The nitro group was a powerful toxiphoric group; the biological activity was increased in the presence of OCH3, COOH, or Br substituents. In all cases, the sulphones are more toxic than their corresponding sulphides. Eighteen of the compounds had LCsos < 1.0 ppm.
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.