Erebia theano
Erebia pawloskii
From the Pelham catalog: "This species in North America was formerly but incorrectly called Erebia theano (Tauscher, 1806) by most previous authors.
Various Russian researchers (e.g., Gorbunov (2001), Butterflies Russia Class.: 255) have shown that E. pawloskii and E. theano are distinct species-level taxa, and that E. pawloskii is the North American taxon."