Epanerchodus koreanus Verhoeff, 1937

Epanerchodus koreanus Verhoeff, 1937: 320 –321, 320: fig. 11.

Epanerchodus koreanus — Takashima, 1939: 8; Takakuwa & Takashima, 1940: 171 –173, 175; 1944: 23, 25; Takakuwa, 1954: 100 –101, 100: fig. 110; Paik, 1958: 362; Lim, 1988: 2, 23, 28, 30, 25: fig. 28; 2001: 160–162, 253: map 45; Lim et al., 1992: 332, 334; Kim & Lim, 1995a: 278; Mikhaljova, 1998b: 46; 2002: 150; 2004: 40, 211, 215–218, 217: figs 537–552, 218: map 28; Mikhaljova & Lim, 2001: 19, 22–25, 23: figs 15–28; Mikhaljova & Korsós, 2003: 233 –234; Mikhaljova & Marusik, 2004: 10.

Epanerchodus bifidus Takakuwa, 1954: 101 –102, 236, 102: figs 112–113.

Epanerchodus bifidus — Takakuwa, 1942: 39; Takakuwa & Takashima, 1944: 23, 25, 29; Paik, 1958: 362; 1961: 83, 85–86, 88; 1976: 86; Miyosi, 1959: 51, 100, 217, PL 7: fig. 112; Murakami & Paik, 1968: 365, 366, 370–372, 383, 371: fig. 3; Golovatch, 1978: 678; 1980: 53; 1981: 165; Golovatch & Mikhaljova, 1979: 837; Lokshina & Golovatch, 1979: 384; Mikhaljova & Petukhova, 1983: 53, 59; Lim, 1988: 3, 25, 28, 30, 26: fig. 29; 2001: 162–168, 239; fig. 180, 254: map 46; Mikhaljova, 1988: 70, 71; 1993: 30; 1997: 145; 1998a: 4; 1998b: 10, 43, 46, 47: figs 158–165, 45: map 10; 2004: 215; Nishikawa & Murakami, 1991: 306; Lim et al., 1992: 332, 334; Mikhaljova & Kim, 1993: 32 –33; Kim & Lim, 1995a: 276 –277; 1995b: 211, 213; Ganin, 1997: 19, 121, 124; Mikhaljova et al., 2000: 118; Mikhaljova & Lim, 2000: 153 –155.

Epanerchodus dichotomus Takakuwa, 1954: 101: fig. 111, 233.

Epanerchodus dichotomus — Takakuwa & Takashima, 1944: 23, 25, 29; Paik, 1958: 362; Lim, 1988: 3, 28; 2001: 162, 168; Mikhaljova & Lim, 2001: 19, 22–23; Mikhaljova, 2004: 218.

Remarks. This species was originally described from Yuki, North Korea (Verhoeff, 1937). It is a senior subjective synonym of Epanerchodus dichotomus Takakuwa, 1954 and Epanerchodus bifidus Takakuwa, 1954; their synonymy was revealed by Mikhaljova & Lim (2001). E. dichotomus was described from the very same locality Yuki, North Korea (Takakuwa, 1954), E. bifidus was described from Mt. Aso, Kyushu, Japan and Pujeon- Koweon and Masan, Korea (Takakuwa, 1954). This species is quite common in the Korean Peninsula. In Primorskiy kray, Far East of Russia, it is relatively rare. The species lives in forest litter and has been recorded in caves (Murakami & Paik, 1968; Mikhaljova, 1997).

Distribution. Russia: Far East (southern part of Primorskiy kray), North and South Korea, southern Japan.