12. Nais elinguis Mueller, 1774

Geographic distribution.

Cosmopolitan species. In the Russian tundra: Murmansk Region (Timm and Popchenko 1978), Vaygach Island (Leshko et al 2008), Lake Bolshoy Ngosovey, lakes in the More-yu River basin and the Kara River basin (Baturina and Loskutova 2010), lakes in the Malaya Usa River basin (Baturina et al. 2014b).

Location.

Lake Bolshoy Kharbey (67°35'7.7"N, 62°54'46.9"E; 67°34'34.3"N, 62°52'17.4"E; 67°33'48.2"N, 62°55'2.6"E; 67°34'3.5"N, 62°52'17.9"E); Lake K1 (67°36'27.6"N, 62°51'58.4"E); Lake Golovka (67°36'9.4"N, 62°56'39.9"E).

Ecology.

Specimens were sampled among pebbles and boulders, as well as on sand or submerged macrophytes (depth 2.5 m or less).