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Antagonistic coevolution between the sexes in a group of insects

Author

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  • Göran Arnqvist

    (Evolutionary Biology Centre, University of Uppsala)

  • Locke Rowe

    (University of Toronto)

Abstract

In coevolutionary ‘arms races’ between the sexes, the outcome of antagonistic interactions may remain at an evolutionary standstill. The advantage gained by one sex, with any evolutionary exaggeration of arms, is expected to be matched by analogous counteradaptations in the other sex1,2. This fundamental coevolutionary process may thus be hidden from the evolutionist's eye3,4, and no natural examples are known. We have studied the effects of male and female armament (clasping and anti-clasping morphologies) on the outcome of antagonistic mating interactions in 15 species of water strider, using a combination of experimental and phylogenetic comparative methods. Here we present, by assessing the independent effects of both species-specific level of arms escalation and small imbalances in the amounts of arms between the sexes within species, the consequences of a sexual arms race. Evolutionary change in the balance of armament between males and females, but not in the species-specific level of escalation, has resulted in evolutionary change in the outcome of sexually antagonistic interactions such as mating rate.

Suggested Citation

  • Göran Arnqvist & Locke Rowe, 2002. "Antagonistic coevolution between the sexes in a group of insects," Nature, Nature, vol. 415(6873), pages 787-789, February.
    • Handle: RePEc:nat:nature:v:415:y:2002:i:6873:d:10.1038_415787a
    DOI: 10.1038/415787a
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    Cited by:

    1. Johannes Bergsten & Kelly B Miller, 2007. "Phylogeny of Diving Beetles Reveals a Coevolutionary Arms Race between the Sexes," PLOS ONE, Public Library of Science, vol. 2(6), pages 1-6, June.
    2. Charles Cunningham & Jorge E Parra & Lucy Coals & Marcela Beltrán & Sama Zefania & Tamás Székely, 2018. "Social interactions predict genetic diversification: an experimental manipulation in shorebirds," Behavioral Ecology, International Society for Behavioral Ecology, vol. 29(3), pages 609-618.

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