Erebia calcaria

Erebia calcaria
Photographer: Tom Nygaard KristensenRights holder: Tom Nygaard Kristensen

Source: van Swaay C, Collins S, Dušej G, Maes D, Munguira M, Rakosy L, Ryrholm N, Šašić M, Settele J, Thomas J, Verovnik R, Verstrael T, Warren M, Wiemers M, Wynhoff I (2012) Dos and Don’ts for butterflies of the Habitats Directive of the European Union. Nature Conservation 1: 73-153. doi: 10.3897/natureconservation.1.2786