9. Nais behningi Michaelsen, 1923
Geographic distribution.
Holarctic species. In the Russian tundra Murmansk Region (Veselov 1977; Timm and Popchenko 1978), the Pechora River delta (Baturina 2018), lakes in the More-yu River basin (Baturina and Loskutova 2010).
Location.
Lake Bolshoy Kharbey (67°31'21.1"N, 62°53'28.6"E; 67°32'22.1"N, 62°52'10.7"E).
Ecology.
Within the studied water bodies, N. behningi was found on stony sediments with moss cover (depth 0.7-2.0 m).