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Collection on Porapak Q of the aggregation pheromone ofScolytus multistriatus (Coleoptera: Scolytidae) |
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| Authors: | J. W. Peacock R. A. Cuthbert W. E. Gore G. N. Lanier G. T. Pearce R. M. Silverstein |
| Affiliation: | 1. USDA Forest Service, Northeastern Forest Experiment Station, Delaware, Ohio 2. Department of Chemistry, College of Environmental Science and Forestry, State University of New York, Syracuse, New York 3. Department of Forest Entomology, State University of New York, Syracuse, New York |
| Abstract: | The attractive volatiles in the air around the virgin female of the smaller European elm bark beetle,Scolytus multistriatus (Marsham), tunneling in elm logs can be collected by passing the air through a column of Porapak Q. These volatiles can be removed from the Porapak by Soxhlet extraction with hexane, yielding an extract that is attractive to in-flight beetles in the field. GLC analyses of this extract and an extract of virgin female frass indicate that the aeration extract contains active chemicals that are not in the extract of frass. |
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