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Attractiveness and Competitiveness of Laboratory Versus Native Strain of Boll Weevils (Coleoptera: Curculionidae)

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On the basis of a genetic marker (ebony body color), field competitiveness of untreated males of a long-established laboratory strain of the boll weevil, Anthonomus grandis grandis Boheman, was determined to be 2.2-fold greater than that of native males for native females. Competitiveness of laboratory-strain males for virgin females of the native strain, as measured by attractiveness in boll weevil traps, was 3.4-fold greater than that of native-strain males. Increased attractiveness may be a by-product of long-term rearing of the boll weevil and may have been responsible for the high level of competitiveness. A high level of competitiveness in untreated laboratory-reared strains of the boll weevil suggest both that treatments presently used to sterilize it sexually are more debilitating than was formerly thought and that if less rigorous methods of sterilization are found, a highly competitive sterile weevil might be produced.

Document Type: Research Article

Publication date: October 1, 1986

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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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