Aliphatic Amines Against Insecticide-Susceptible and Resistant Strains of Culex pipiens quinquetasciatus and Anopheles albimanu1

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The possibility that insecticide resistance might influence susceptibility to aliphatic amines was studied in larvae of the southern house mosquito, Culex pipiens quinquefascintus Say, and Anopheles albimanus Wiedemann. Fully dieldrin-resistant and moderately DDT-resistant strains of A. albimanus showed no significant tolerance to 7 aliphatic amines. However, insecticide-resistant strains of C. p. quinquefasciatus showed various levels of cross-tolerance toward certain amines, up to 3.7-fold greater than in the susceptible strain. Cross-tolerance was more pronounced in strains selected with DDT and Baygon® (o-isopropoxyphenyl methylcarbamate) than in those selected with dieldrin and fenitrothion (O,O-dimethyl 0-4-nitro-m-tolyl phosphorothioate). This phenomenon is considered to be a manifestation of vigor tolerance rather than cross-tolerance per se, and it is unlikely to present a serious obstacle to the usefulness of amines as potential mosquito larvicides.

Document Type: Research Article

Publication date: February 1, 1969

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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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