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Male genital titillators and the intensity of post-copulatory sexual selection across bushcrickets

Author

Listed:
  • Gerlind U.C Lehmann
  • James DJ Gilbert
  • Karim Vahed
  • Arne W Lehmann

Abstract

Lay SummaryWe examined the relationships between the complexity of male genital structures (titillators) and both the mating rate of males and females, and the number of times females mate, across a range of bushcricket species. We did not find any relationship between genital complexity and the number of times females mate. Among species with titillators, however, the complexity of these structures was associated with faster re-mating rates in females. The results therefore only partly support the hypothesis that the structure and complexity of genitalia relate to the intensity of sexual selection.

Suggested Citation

  • Gerlind U.C Lehmann & James DJ Gilbert & Karim Vahed & Arne W Lehmann, 2017. "Male genital titillators and the intensity of post-copulatory sexual selection across bushcrickets," Behavioral Ecology, International Society for Behavioral Ecology, vol. 28(5), pages 1198-1205.
    • Handle: RePEc:oup:beheco:v:28:y:2017:i:5:p:1198-1205.
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    File URL: http://hdl.handle.net/10.1093/beheco/arx094
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    References listed on IDEAS

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    1. Helen S. Crudgington & Mike T. Siva-Jothy, 2000. "Genital damage, kicking and early death," Nature, Nature, vol. 407(6806), pages 855-856, October.
    2. Mark Pagel, 1999. "Inferring the historical patterns of biological evolution," Nature, Nature, vol. 401(6756), pages 877-884, October.
    3. Karim Vahed, 2007. "Comparative evidence for a cost to males of manipulating females in bushcrickets," Behavioral Ecology, International Society for Behavioral Ecology, vol. 18(3), pages 499-506.
    4. Göran Arnqvist, 1998. "Comparative evidence for the evolution of genitalia by sexual selection," Nature, Nature, vol. 393(6687), pages 784-786, June.
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