50. Stylodrilus heringianus Claparede, 1862

Geographic distribution.

Holarctic species. In tundra zone of Russia: Murmansk Region (Timm and Abarenkov 2018), Kara River basin (Baturina and Loskutova 2010), Lake Yurto (Finogenova 1966), the Anadyr River basin (Morev 1983b), lakes in the central part of Bolshezemelskaya tundra (Belyakov and Skvortsov 1994), the Yamal Peninsula (Stepanov 2016, 2017).

Location.

Lake Bolshoy Kharbey (67°34'34.3"N, 62°52'17.4"E; 67°35'27.5"N, 62°55'30.7"E); Lake Golovka (67°36'9.4"N, 62°56'39.9"E).

Ecology.

This species is in the area. It lives on stones with algal covering, silty or sandy substrates (depth up to 1.5 m).