7. Nais alpina Sperber, 1948

Geographic distribution.

In Europe and North America (Great Lakes). In the Russian tundra: Murmansk Region (Timm and Popchenko 1978), Vaygach Island (Leshko et al. 2008), lakes in the More-yu River basin, lakes in the Kara River basin (Baturina and Loskutova 2010), lakes in the Malaya Usa River basin (Baturina et al. 2014b).

Location.

Lake Bolshoy Kharbey (67°34'3.5"N, 62°52'17.9"E; 67°34'34.3"N, 62°52'17.4"E; 67°31'49.9"N, 62°52'40.1"E; 67°32'49.4"N, 62°53'6.6"E; 67°31'49.9"N, 62°52'40.1"E); Lake Golovka (67°35'50"N, 62°55'25.3"E; 67°36'9.4"N, 62°56'39.9"E).

Ecology.

The species inhabits stones with algal cover or sand with detritus (depth 0.2-1.3 m).