53. Hydrophorus freyi Storå, 1954

Material examined. 1♂, 2♀, Khabarovsky Terr., Vysokogornyi vil., 15.07.1974, on water surface at river shore, A. Barkalov; 1♂. Khabarovsky Terr., Vysokogornyi vil., 11.07.1974, taiga, O. P. Negrobov.

Distribution. Type locality: Finland: Jacobstad. Palaearctic: Finland, Russia (Buryatia, Khabarovsk, Primorye, Yakutia), Sweden.