2. Arcteonais lomondi (Martin, 1907).

Stylaria lomondi Martin, 1907

Stylaria brevirostris Wolf, 1928

Geographic distribution.

Holarctic species. In the Russian tundra: Murmansk Region (Timm and Popchenko 1978), the Pechora River delta (Baturina 2018), the Vashutkiny lakes system (Finogenova 1966).

Location.

Lake Bolshoy Kharbey (67°34'34.3"N, 62°52'17.4"E); Lake Golovka (67°36'0.6"N, 62°55'28.6"E).

Ecology.

The species was recorded on silt or silted sand (depth 6.2-7.5 m).