Dark Chestnut

The length of the forewings is 13–15 mm. "Forewing deep red brown or purplish brown, darker than vaccinii; a pale submarginal band, grey or brownish grey, on which stand the spots forming the submarginal line; the lines and edges of the stigmata, and often the veins pale; hindwing brownish fuscous." Differential characters: dark brown or red-brown base colour of the forewings. Pale subterminal fascia. brown fuscous hindwings.

It is found in western, central and southern Europe. In western Europe, it is missing in many parts of Scotland and the western part of Ireland. In central Europe it is missing on the German North Sea coast, in Denmark, the entirety of Fennoscandia wooded, the northern Baltic countries and the central and northern Russia. The species also does not occur on many islands of the Mediterranean. In North Africa, it is found in Morocco. Further east, its range extends into northern Iraq, Turkey and Armenia.