42. Ocypus (Pseudocypus) nigroaeneus Sharp, 1889

Sharp, 1889: 109 ( Ocypus; Type locality: Subashiri, Nanai; Hakodate; Olga Bay, Korea); Bernhauer & Schubert, 1914: 388 ( Staphylinus; subgenus Ocypus; catalog); J. Müller, 1925: 45 ( Staphylinus; subgenus Pseudocypus; probably not distinct from graeseri); Scheerpeltz, 1933: 1401 ( Staphylinus; variety of rambouseki); Yuh, Paik, Kwon, and Lee, 1985: 246 ( Ocypus; cited as senior name; Korea); Smetana & Davies, 2000: 44 ( Ocypus; subgenus Pseudocypus); Herman, 2001: 3390 ( Ocypus; subgenus Pseudocypus; Catalog); Smetana, 2004: 678 ( Ocypus; subgenus Pseudocypus; Catalog of Palaearctic Region); Smetana, 2009b: 19 ( Ocypus; Lectotype designated); Schülke & Smetana, 2015: 1092 ( Ocypus; subgenus Pseudocypus; Catalog of Palaearctic Region).

Distribution. Ocypus nigroaeneus is at present known from Gansu, Heilongjiang, Jilin, Liaoning, Inner Mongolia, Sichuan and Shaanxi Province; it is also known from eastern Siberia, Russian Far East, Mongolia, North Korea, South Korea and Japan.