Rhaphium tridactylum (Frey, 1915): 37 (Porphyrops).
Material examined. Russia: 2 3, Taimyr Reserve, Ary-Mas field station, left bank of river Novaya, 14 m a.s.l., inundated terrace, 72.5 °N, 101.94 °E, 10–12.VII. 2010, A. Barkalov.
Distribution. Sweden, Finland, Russia: Murmansk Region, Taimyr Peninsula, Khabarovsk Region.