Passo Colbricon (1908 m), an important exchange corridor of ssp. kunzi and ssp. ocellaris. View to the south (31.vii.2013).

 
 
  Part of: Cupedo F (2014) Reproductive isolation and intraspecific structure in Alpine populations of Erebia euryale (Esper, 1805) (Lepidoptera, Nymphalidae, Satyrinae). Nota Lepidopterologica 37(1): 19-36. https://doi.org/10.3897/nl.37.7960