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

Gerlind U.C Lehmann, James DJ Gilbert, Karim Vahed and Arne W Lehmann

Behavioral Ecology, 2017, vol. 28, issue 5, 1198-1205

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.

Keywords: genitalia; Orthoptera; polyandry; refractory period; sexual selection; titillators (search for similar items in EconPapers)
Date: 2017
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