Assortative mating and the role of phenotypic plasticity in male competition: implications for gene flow among host-associated parasitoid populations.

Abstract excerpt

Local adaptation is promoted when habitat or mating preferences reduce gene flow between populations. However, gene flow is not only a function of dispersal but also of the success of migrants in their new habitat. In this study I investigated mating preference in conjunction with phenotypic plasticity using Aphidius parasitoids adapted to different host species. Males actively attempted to assortatively mate,...

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