Longevity and Fecundity of Boll Weevils1 Exposed to Sublethal Doses of Systemic Insecticides2,3

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Abstract:

Four systemic insecticides, disulfoton, dicrotophos, monocrotophos, and aldicarb were evaluated for their effect on the longevity and fecundity of Anthonomus grandis Boheman. Weevils were exposed continuously to 2 treated substrates: (1) filter paper treated with the toxicants, and (2) excised cotton leaves that had taken up known amounts of the toxicants through the petioles, Mortality increased with time and increased doses, Also, the rate of oviposition decreased during a 19-day period when the weevils were continuously exposed to sublethal doses of the insecticides; greater reductions occurred at higher doses. In all tests, aldicarb affected mortality and fecundity more than other insecticides.

Document Type: Research Article

Publication date: April 1, 1970

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.
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