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Range DescriptionThis species ranges from southern Siberia to the Korean Peninsula, and the provinces of Nei Mongol, Heilongjiang in northeast China (subspecies M. f. frater Allen, 1923), and Japan, where it is found only on Honshu and Hokkaido (Abe et al., 2005). It is also found in central and southern China in the provinces of Fujian, Jiangxi, Sichuan and Anhui (subspecies M. f. longicaudatus Ognev, 1927) (Smith and Xie, in press). The area is severely fragmented. Chinese population may represent a distinct species (K. Tsytsulina pers. comm. 2008).