Hydrotaea dentipes (Fabricius, 1805)
Material examined.
3 males, Russia, Chukotka AO, 73 km W Anadyr, lower part of Anadyr River, 64°50'N, 175°58'E, 18-24.vii.2013, leg. A. Barkalov.
Comment.
The muscles of this speices and D. firthiana are the same.