Isolation,identification, and function of the Dufour gland secretion ofXylocopa virginica texana (Hymenoptera: Anthophoridae) |
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| Authors: | S B Vinson G W Frankie M S Blum J W Wheeler |
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| Affiliation: | (1) Department of Entomology, Texas A & M University, College Station, Texas;(2) University of California, Berkeley, California;(3) University of Georgia, Athens, Georgia;(4) Department of Chemistry, Howard University, Washington D.C. |
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| Abstract: | The Dufour's gland secretion ofXylocopa virginica texana possesses short-term repellency for conspecifics when applied to passion flowers. This secretion contains a number of straight-chain hydrocarbons. The two major components are the methyl esters of palmitic and myristic acid. A mixture of the two esters and two of the available hydrocarbons were as effective as the Dufour's gland extract in eliciting a response in females to the passion flower,Passiflora incarnata, to which the extract was applied.Approved as TA13387 by the Director, Texas Agricultural Experiment Station and conducted in cooperation with the USDA. Supported in part by NSF-DEB-76-03963. |
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| Keywords: | Xylocopa virginica texana bee passion flower repellency Dufour's gland hydrocarbons methyl palmitate methyl myristate esters scent marking avoidance |
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