Correlated evolution between male ejaculate allocation and female remating behaviour in seed beetles (Bruchidae)

Journal of Evolutionary Biology
Mari KatvalaG Arnqvist

Abstract

Sperm competition theory suggests that female remating rate determines the selective regime that dictates the evolution of male ejaculate allocation. To test for correlated evolution between female remating behaviour and male ejaculate traits, we subjected detailed experimental data on female and male reproductive traits in seven-seed beetle species to phylogenetic comparative analyses. The evolution of a larger first ejaculate was positively correlated with the evolution of a more rapid decline in ejaculate size over successive matings. Further, as predicted by theory, an increase in female remating rate correlated with the evolution of larger male testes but smaller ejaculates. However, an increase in female remating was associated with the evolution of a less even allocation of ejaculate resources over successive matings, contrary to classic sperm competition theory. We failed to find any evidence for coevolution between the pattern of male ejaculate allocation and variation in female quality and we conclude that some patterns of correlated evolution are congruent with current theory, whereas some are not. We suggest that this may reflect the fact that much sperm competition theory does not fully incorporate other factors th...Continue Reading

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Citations

Jun 22, 2010·Biological Reviews of the Cambridge Philosophical Society·Geoff A Parker, Tommaso Pizzari
Feb 13, 2015·The American Naturalist·Jun Abe, Yoshitaka Kamimura
Oct 4, 2008·Journal of Insect Physiology·Takashi YamaneYoshinobu Kimura
Jan 10, 2012·Evolution; International Journal of Organic Evolution·Locke Rowe, Göran Arnqvist
Jul 22, 2010·Journal of Evolutionary Biology·C FrickeG Arnqvist
Apr 16, 2013·Trends in Ecology & Evolution·Jennifer C PerryStuart Wigby
Sep 7, 2014·Genome Biology and Evolution·Daniel GarriganDaven C Presgraves
Mar 24, 2020·PLoS Biology·Paulo A Navarro-CostaPeter J Ellis
Dec 13, 2019·PloS One·Dariusz Krzysztof MałekMarcin Czarnoleski
Mar 27, 2021·Evolution; International Journal of Organic Evolution·Alihan KatlavMarkus Riegler
Jul 8, 2021·Proceedings. Biological Sciences·Göran ArnqvistLocke Rowe
Aug 10, 2021·Evolution Letters·Karl GrieshopDavid Berger

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