19. Slavina appendiculata (Udekem, 1855)

Nais appendiculata Udekem, 1855

Geographic distribution.

Cosmopolitan species. In the Russian tundra: Murmansk Region (Timm and Abarenkov 2018), the Vashutkiny lakes system (Finogenova 1966) Lake Ambarty and some other lakes in the Korotaikha River basin (Popchenko 1978), lakes in the More-yu River basin (Baturina and Loskutova 2010), lakes in the Kara River basin (Baturina et al. 2014b), the Yamal Peninsula (Stepanov 2017).

Location.

Lake Bolshoy Kharbey (67°35'7.7"N, 62°54'46.9"E; 67°34'3.5"N, 62°52'17.9"E; 67°34'N, 62°57'E; 67°32'48.3"N, 62°53'49.7"E; 67°32'22.1"N, 62°52'10.7"E); Lake Golovka (67°35'50"N, 62°55'25.3"E; 67°36'9.1"N, 62°55'50.6"E); Lake K1 (67°36'22.1"N, 62°52'20.3"E; 67°36'17.6"N, 62°52'35"E); temporary pond near Kharbey (67°58'00"N, 62°34'60"E).

Ecology.

In the studied lakes, S. appendiculata inhabits mainly silt or stones with algal cover (depth 0.2-6.0 m). The worms were less often found in small or temporary ponds with floating moss mats and overgrowths of sedges off the shore.