Responses of Male Diabrotica balteata (Coleoptera: Chrysomelidae) to Stereoisomers of the Sex Pheromone 6˜12-dimethylpentadecan-2-one

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Abstract:

Results of field trapping experiments indicate that the bioactive form of the female sex pheromone of the banded cucumber beetle, Diabrotica balteata LeConte, is (R,R) 6,12-dimethylpentadecan-2-one. The three other stereoisomers of this chemical do not attract males into traps and do not appear to inhibit the capture of males by the bioactive isomer. A 300-/Lgload of the RR isomer on a rubber stopper is an effective bait for field use. The racemic material loaded at 1,200 Itg was equally as effective. Captures of males declined significantly with baits whose RR content was >300 Itg.Comparison of two different batches of racemic material revealed a small but significant difference in their effectivenessin trapping males. The reason for this difference is not known.

Document Type: Research Article

Publication date: February 1, 1991

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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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