Tetartopeus niger (LECONTE, 1863)

Material examined: Russia: 1, Ussuri region, Novovarvarovka, 6.-10.VII.1989, leg. Nikodým (NHMB); 1, Russian Far East, Ussuryk District, "S. dk. Belodorodov", Kamenushka, 10.-18.VII.1992 (cAss). Japan: H o k k a i d o: 10exs., Tomakomai, Tokisatamappu marsh, 10 m, 25.VII.1991, leg. Smetana [J6] (CNC, cAss); 5 exs., Rubeshibe, Itonmuka river, marsh, 770 m, 29.VII.1991, leg. Smetana [J16] (CNC, cAss) ; 4 exs., Oshamanbe, Toyotsu, seashore, 27.VII.1991, leg. Smetana [J10] (CNC, cAss) ; 4 exs., Horokanai, Butokamabetsu river, 300 m, 3.VIII.1991, leg. Smetana [J31] (CNC, cAss) ; 27 exs., Kushiro Marsh, Iwahogi, 5 m, 31.VII.1991, leg. Smetana [J20] (CNC, cAss) .

Comment: In the Palaearctic region, the distribution of this Holarctic species is confined to the Russian Far East and Japan (ASSING 2011.