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Seasonal Occurrence of Diapause and Hibernation of the Boll Weevil in North Carolina

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Abstract:

Investigations on the seasonal occurrence of diapause and hibernation of the boll weevil, Anthonomns grandis Boheman, were conducted during 1961–62 in and near a cottonfield with a high productive level and effectively treated with insecticides for boll weevil control and a field with a low productive level and virtually untreated. With one exception, the initiation of diapause in the field was closely associated with the onset of maturity in the cotton plants. Diapausing weevils began to hibernate in late August near the untreated field and late September near the treated field. A large number of weevils hibernated rather abruptly during late September near the untreated field. However, the number of weevils in hibernation near the untreated field gradually declined during October and November, indicating that many of the hibernating weevils apparently died prior to the onset of winter. During the same period, the number of hibernating weevils steadily increased near the treated field.

Document Type: Research Article

Publication date: April 1, 1965

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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