Ecological divergence promotes the evolution of cryptic reproductive isolation.

Proceedings. Biological Sciences
Patrik Nosil, Bernard J Crespi

Abstract

Speciation can involve the evolution of 'cryptic' reproductive isolation that occurs after copulation but before hybrid offspring are produced. Because such cryptic barriers to gene exchange involve post-mating sexual interactions, analyses of their evolution have focused on sexual conflict or traditional sexual selection. Here, we show that ecological divergence between populations of herbivorous walking sticks is integral to the evolution of cryptic reproductive isolation. Low female fitness following between-population mating can reduce gene exchange between populations, thus acting as a form of cryptic isolation. Female walking sticks show reduced oviposition rate and lower lifetime fecundity following between-population versus within-population mating, but only for mating between populations using different host-plant species. Our results indicate that even inherently sexual forms of reproductive isolation can evolve as a by-product of ecological divergence and that post-mating sexual interactions do not necessarily evolve independently of the ecological environment.

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Citations

Aug 11, 2006·Genetica·Patrik NosilGerhard Gries
Nov 23, 2012·Proceedings. Biological Sciences·Elen Oneal, L Lacey Knowles
Jan 15, 2008·BMC Evolutionary Biology·Abdoulaye DiabatéTovi Lehmann
Mar 31, 2010·PLoS Biology·Daniel R Matute
Jan 6, 2009·The American Naturalist·John N Thompson
Oct 11, 2014·Evolution; International Journal of Organic Evolution·Jackson H JenningsAnneli Hoikkala
Oct 25, 2013·Evolution; International Journal of Organic Evolution·Gregory L Owens, Loren H Rieseberg
Jul 22, 2008·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Tovi Lehmann, Abdoulaye Diabate
Nov 15, 2007·Evolution; International Journal of Organic Evolution·Patrik NosilDaniel J Funk
Jan 27, 2012·Evolution; International Journal of Organic Evolution·Kasey D Fowler-Finn, Rafael L Rodríguez
May 12, 2010·Journal of Evolutionary Biology·D ArbuthnottB J Crespi
Nov 10, 2009·Evolution; International Journal of Organic Evolution·Erik B DopmanAbby Seaman
Aug 11, 2015·Ecology and Evolution·Josephine B AntwiRaul F Medina
Jan 30, 2015·Proceedings. Biological Sciences·Thomas P GosdenErik I Svensson
Nov 5, 2016·Evolution; International Journal of Organic Evolution·Shaghayegh SoudiLeif Engqvist
Oct 18, 2016·Evolution; International Journal of Organic Evolution·Janette W Boughman, Richard Svanbäck
Feb 22, 2017·Annals of the New York Academy of Sciences·Kim L Vertacnik, Catherine R Linnen
Apr 11, 2017·Evolution; International Journal of Organic Evolution·Amanda N Brothers, Lynda F Delph
Sep 3, 2011·Evolution; International Journal of Organic Evolution·Fabrice EroukhmanoffErik I Svensson
Nov 30, 2019·BMC Evolutionary Biology·Tiffany A ChinMelania E Cristescu
Jul 14, 2020·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Moritz MuschickPatrik Nosil
Feb 5, 2019·Ecology Letters·Vanessa E Luzuriaga-Aveiga, Jason T Weir
Jan 5, 2021·Biological Journal of the Linnean Society·Janelle B TalaveraDavid A Gray

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