Defensive secretion of the carabid beetlePasimachus subsulcatus |
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| Authors: | Bradley S. Davidson Thomas Eisner Brian Witz Jerrold Meinwald |
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| Affiliation: | (1) Department of Chemistry, Cornell University, 14853 Ithaca, New York;(2) Section of Neurobiology and Behavior, Cornell University, 14853 Ithaca, New York;(3) Department of Biology, University of South Florida, 33620 Tampa, Florida |
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| Abstract: | The defensive secretion of the carabid beetlePasimachus subsulcatus is a concentrated solution (up to 90%) of carboxylic acids, amounting to about 1% of body mass. It contains three major components (methacrylic, tiglic, and angelic acids) and four minor components (isobutyric, 2-methyl-butyric, isovaleric, and senecioic acids). In the single population of this large flightless beetle that was examined, the relative ratio of acidic components was remarkably constant from individual to individual.Report No. 87 of the series Defense Mechanisms of Arthropods; No. 86 is Dussourd, D., et al.,Proc. Natl. Acad. Sci.85, 5992 (1988). |
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| Keywords: | Defensive secretion aliphatic acids beetle Coleoptera Carabidae Pasimachus subsulcatus carboxylic acids |
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