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Studies on the Feeding Behavior of Alfalfa Weevil Adults from the Eastern and Western United States1

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A comparison in the laboratory of the feeding behavior under conditions of darkness of newly formed alfalfa weevil (Hypera postica (Gyllenhal)) adults from New York and California showed that New York weevils consumed a greater quantity of alfalfa initially, but fed for a shorter period, than California weevils. Consumption decreased in a linear manner as age increased from 0 to 31 and 40.5 days, respectively, for New York and California adults. In all cases females consumed more alfalfa than males. When exposed to randomized alternate intervals of sunlight and darkness, weevils fed more frequently under conditions of darkness than of light.

Document Type: Research Article

Publication date: August 1, 1963

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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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