The Relative Toxicity of Nicotine, Anabasine, Methyl Anabasine, and Lupinine for Culicine Mosquito Larvae

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Based on concentration required to kill 50 per cent of a population of culicine mosquito larvae in 8 hours at 29.3°C., the relative toxicity of four alkaloids is as follows: nicotine 100, anabasine 38, methyl anabasine 21, and lupinine 6 (?). According to unpublished observations of others, nicotine and anabasine may be equally effective against aphids. Nicotine and anabasine are much less toxic than rotenone against mosquito larvae and house flies.

Methods for preparing the alkaloids and for obtaining, rearing, counting, and transferring mosquito larvae are described.

Document Type: Research Article

Publication date: April 1, 1933

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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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