Kairomones and their use for management of entomophagous insects. XV. |
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| Authors: | Richard C. Gueldner Donald A. Nordlund W. Joe Lewis James E. Thean David M. Wilson |
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| Affiliation: | (1) Southern Grain Insects Research Laboratory, 5USDA-ARS, 31793 Tifton, Georgia;(2) Department of Chemistry, Florida A and M University, 32307 Tallahassee, Florida;(3) Mycotoxin Research Laboratory, Plant Pathology, University of Georgia, Coastal Plain Experiment Station, 31793 Tifton, Georgia |
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| Abstract: | Acids found in moth scales of laboratory-rearedHeliothis zea (Boddie) moths are hexanoic, heptanoic, octanoic, nonanoic, 2- (or 3-) furan carboxylic, phenylacetic, benzoic, sorbic, and 4-hydroxybenzoic acid. The last two of these acids are preservatives added to the artifical diet as sorbic acid and methyl-p-hydroxybenzoate. FemaleTrichogramma pretiosum Riley exhibited increased rates of parasitization ofH. zea eggs in the presence of some of these compounds in laboratory experiments. Exposure to a mixture of all of these compounds did not increase parasitization, and the elimination of acids from the crude moth-scale extract did not reduce parasitization by the wasps.Lepidoptera: Noctuidae.Hymenoptera: Trichogrammatidae.In cooperation with the University of Georgia College of Agriculture Experiment Stations, Coastal Plain Station, Tifton, Georgia 31793.Mention of a commercial or proprietary product in this paper does not constitute endorsement by the USDA. |
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| Keywords: | Acids moth scales Heliothis zea kairomones parasitoids biological control Trichogramma pretiosum |
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