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Range DescriptionThis is a widespread Palaearctic species that occurs from France and Norway through northern and central Europe and Asia, east to the Pacific seaboard and northern Japan (found only on Hokkaido (Abe, et al., 2005), Rebun, and Rishiri). In Europe, it occurs north to well above the Arctic Circle, but is absent or occasional in the west (the Low Countries, UK, western France, Iberia), and is scarce in the mountains of southern Europe (occurs from southern France across northern Italy and there are scattered occurrences in the Balkans). It has been recorded once from Iran although the population there is marginal to the species' range (M. Sharifi pers. comm. 2005). In Mongolia (subspecies E. n. nilssonii), it is found throughout the north of the country, in forested areas in north-western Mongol Altai Mountain Range, HÃ¶vsgÃ¶l, Hangai and Hentii mountain ranges, Mongol Daguur Steppe and Eastern Mongolia. It occurs from sea level up to 2,300 m asl (van der Kooij in litt. 2006).