Acoustical Monitoring of Rhyzopertha dominica (Coleoptera: Bostrichidae) Populations in Stored Wheat

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Acoustical sensors provided estimates of Rhyzopertha dominica (F.) population increases at 27 and 32° C that were comparable with estimates obtained from counts of adults in grain samples. At both temperatures, the number of insect sounds increased in proportion to insect density and averaged twice the number of adult insects. Between 7 and 70 dafter eclosion, the number of adult insect sounds did not differ significantly with age. At 22 and 27° C, adults produced >37 times the number of sounds produced by larvae at 27° C. Thus, even though larvae were more numerous than adults, they probably did not contribute many of the sounds heard when adults were present.

Document Type: Research Article

Publication date: April 1, 1990

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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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