Jakovlev, 1875: 330 (Acanthia); Reuter, 1895: 34 (Acanthia); Oshanin, 1908: 583 (Acanthia); Drake, Hoberlandt, 1950: 6; Kulik, 1965: 410; Vinokurov, 1979: 62; 1988: 749; Cobben, 1985: 250; Schuh et al., 1987: 289; Lindskog, 1995: 136; Vinokurov, Kanyukova, 1995a: 8; 1995b: 38.
A very rare Siberian–Far Eastern species, was described from Transbaikalia.
Distribution (Fig. 41, 3). Eastern Siberia.—The Korean Peninsula.
Material. Russia. Yakutia: Badarannah Station of Yakutsk–Vilyui Track, 100 versts W of Yakutsk, 17.VIII.1926 (Ivanov), 1 badly damaged specimen. Transbaikal Terr.: Ingoda, 11.VII.1899 (Suvorov), 1 ♀. Cobben (1985) reported two more records: the Tunkinskie Goltsy Mt. Range in Buryatia (Hungarian Natural History Museum, Budapest, Hungary) and the Korean Peninsula (Heteroptera collection in Wageningen, Netherlands).
Biology has not been examined.