Parathyas palustris (Koenike, 1912)

New records: Artvin Province, Karagöl village, stream, Şavşat, 17.x.1992, 41˚13ˏ32˝N 42˚26ˏ29˝E, 1740 m asl., Erman 0/1/0.

Records from Turkey: Erzurum Province (“ Thyas rivalis ” Özkan & Erman 1999). Habitat: Crenobiont; preference for rheo(helo)crenes rich in gravel substrata and moss vegetation. Distribution: Europe, Turkey.