Range Description

This species is widely distributed across North America and Eurasia (Herrington 1962). In Canada, it is found in Quebec, Ontario, Saskatchewan, Alberta and the Northwest Territories, as far north as Great Bear Lake (Herrington 1962). In the United States, it occurs in Alaska, Colorado, Illinois, Indiana, Michigan, Minnesota, New York, Wisconsin and Washington. It is specifically known from Cayuga Lake in New York; Lake Superior and Lake Michigan (Herrington 1962). In Eurasia, it is found in the United Kingdom, Germany, Italy, Austria, Switzerland, Norway, Sweden, Denmark, Finland and Siberia, as far north as Novaya Zemlya and in Lake Wigry in Poland (Heard 1963, D. van Damme pers. comm. 2011). This species has also been reported in Japan (Ieyama and Takahashi 2004).