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Characterization, synthesis, and behavioral responses to sex attractiveness pheromones of red-sided garter snakes (Thamnophis sirtalis parietalis).

Authors
  • Mason, R T
  • Jones, T H
  • Fales, H M
  • Pannell, L K
  • Crews, D
Type
Published Article
Journal
Journal of chemical ecology
Publication Date
Jul 01, 1990
Volume
16
Issue
7
Pages
2353–2369
Identifiers
DOI: 10.1007/BF01026943
PMID: 24264099
Source
Medline
License
Unknown

Abstract

The sex attractiveness pheromone of the red-sided garter snake,Thamnophis sirtalis parietalis, has been characterized as a mixture of 13 long-chain (C29-C37) saturated and monounsaturated methyl ketones. Samples of the major unsaturated ketones in the mixture, (Z)-24-tritriaconten-2-one (7) and (Z)-26-pentatriaconten-2-one (10), and their saturated analogs, 2-tritriacontanone (8) and 2-pentatriacontanone (11) were prepared by unambiguous synthesis. In field bioassay tests, male garter snakes were presented with natural and synthetic pheromone components both individually and as a mixture. Males exhibited courtship behavior to the synthetic compounds approximating the natural blend.

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