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Nature 433, 375-376 (27 January 2005) | doi:10.1038/433375a; Published online 26 January 2005
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Sexual behaviour: Rapid speciation in an arthropod
Tamra C. Mendelson1,2 & Kerry L. Shaw1
Abstract
The likely force behind an explosion of new Hawaiian cricket species is revealed.
Abstract
Theory predicts that sexual behaviour in animals can evolve rapidly, accelerating the rate of species formation1, 2. Here we estimate the rate of speciation in Laupala, a group of forest-dwelling Hawaiian crickets that is characterized primarily through differences in male courtship song3. We find that Laupala has the highest rate of speciation so far recorded in arthropods, supporting the idea that divergence in courtship or sexual behaviour drives rapid speciation in animals.
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