Systemic retention of ingested cantharidin by frogs |
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| Authors: | Thomas Eisner Jeffrey Conner James E. Carrel John P. McCormick Amy J. Slagle Carl Gans James C. O'Reilly |
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| Affiliation: | (1) Section of Neurobiology and Behavior, Cornell University, Seeley G. Mudd Hall, 14853 Ithaca, New York, USA;(2) Division of Biological Sciences, University of Missouri, Tucker Hall, 65211 Columbia, Missouri, USA;(3) Division of Biological Sciences, University of Michigan, 48109 Ann Arbor, Michigan, USA;(4) Present address: Department of Ecology, Ethology, and Evolution, University of Illinois, 61801 Urbana, Illinois, USA |
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| Abstract: | Summary Frogs(Rana pipiens) fed on blister beetles (Meloidae) or cantharidin, retain cantharidin systemically. After cessation of feeding, they void the compound relatively quickly. Systemic cantharidin does not protect frogs against ectoparasitic feeding by leeches(Hirudo medicinalis) or predation by snakes(Nerodia sipedon). As suggested by our data, and from reports in the early literature, ingestion of cantharidin-containing frogs can pose a health threat to humans.Paper no. 95 of the seriesDefense Mechanisms of Arthropods; no. 94 is LaMunyon & Eisner, Psyche (in press) |
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| Keywords: | toxin sequestration predation human dietary hazard cantharidin Coleoptera Meloidae Epicauta vittata Rana Hirudo Nerodia |
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