EUSCOPOLIA Townsend, 1892a: 123. Type species: Euscopolia dakotensis Townsend, 1892, by original designation.
POLITOMYIA Reinhard, 1935b: 165. Type species: Politomyia angulineura Reinhard, 1935 (= Euscopolia dakotensis Townsend, 1892), by original designation.
dakotensis Townsend, 1892.– British Columbia to southern Québec and New Hampshire, south to Oregon, New Mexico, Missouri and Virginia (O'Hara, 2002).
– Euscopolia dakotensis Townsend, 1892a: 124. Type data: holotype female (SEMK). Type locality: USA, South Dakota, Brookings.
– Politomyia angulineura Reinhard, 1935b: 166. Type data: holotype male (CNC). Type locality: USA, Washington, Puyallup.