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Hibernation and Estivation Habits of the Alfalfa Weevil1 in West Virginia2

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Field experiments to determine some of the hibernation and estivation habits of Hypera postica (Gyllenhal) in West Virginia were begun in December 1965.

Soil sampling-s of caged and uncaged areas of alfalfa were used to ascertain the location and duration of hibernation and estivation sites. Adult weevils were found hibernating in the soil from late December to early March. They gradually emerged from the soil into the fields during mid-March through April, and they esti- vated in the soil from late June through September. Adult alfalfa weevils were found principally in the top 0.8 inches of the soil.

Document Type: Research Article

Publication date: April 1, 1970

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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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