The importance of time scale and multiple refugia: Incipient speciation and admixture of lineages in the butterfly Erebia triaria (Nymphalidae)

Evidence of four different Quaternary glacial stages has been found in NW Iberia. The different magnitude of these episodes probably conditioned the distribution of currently montane species. We examined if the population history of NW Iberian Erebia triaria butterflies reflected such an influence o...

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