Data for: The central Alps comprise a major dispersal barrier between western and eastern populations of two butterfly species

Daronja Trense, Laura Jager & Klaus Fischer
Aim: Environmental and species-specific factors shape spatial patterns in genetic diversity and population structure. Comparing different species within the same area helps to disentangle more general from species-specific factors affecting such geographic patterns. Here, we examined genetic diversity and population structuring through geographic features in two alpine butterfly species. Location: European Alps. Taxon: Copper butterflies (Lycaena spp.). Methods: We sampled 21 Lycaena hippothoe and 14 L. virgaureae populations with 18 individuals per population. We analysed...
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