Effect of Temperature, light, and Date of Collection on the Feeding Rate of the Sweet clover Wleevil1,2

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Abstract:

Feeding rates of adult Sitona cylindricollis Fahraeus collected at different seasons and maintained at different temperatures and light regimes were compared in the laboratory. Feeding rates were highest for Weevils collected in fall and lowest for those collected in midsummer. Weevils collected in spring and summer ate more when the temperature was 75°F, and fall-collected weevils ate more when the temperature was between 75° and 90°F. Weevils when exposed to complete darkness, but newly emerged weevils collected in July fed significantly more in the dark than in the light. These responses to light corresponded also with their daily period of activity in the field. Results of this study will be applied in the search for resistance in sweet lover.

Document Type: Research Article

Publication date: February 1, 1969

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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