It nests in groups, and favors caves, tunnels and abandoned mines. It can be found in Korea, Japan from the Amami Islands in the south to Hokkaido in the north, as well as in eastern Siberia and Sakhalin in Russia.
The creature described resides in colonies, preferring caves, tunnels, and abandoned mines. Its distribution spans across Korea, Japan, from the southern Amami Islands to Hokkaido in the north, encompassing regions of eastern Siberia and Sakhalin in Russia.