Introgression and rapid species turnover in sympatric damselflies

  title={Introgression and rapid species turnover in sympatric damselflies},
  author={Rosa Ana S{\'a}nchez-Guill{\'e}n and Maren Wellenreuther and Adolfo Cordero-Rivera and Bengt Hansson},
  booktitle={BMC Evolutionary Biology},
Studying contemporary hybridization increases our understanding of introgression, adaptation and, ultimately, speciation. The sister species Ischnura elegans and I. graellsii (Odonata: Coenagrionidae) are ecologically, morphologically and genetically similar and hybridize. Recently, I. elegans has colonized northern Spain, creating a broad sympatric region with I. graellsii. Here, we review the distribution of both species in Iberia and evaluate the degree of introgression of I. graellsii into… CONTINUE READING
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