Ocypus (Pseudocypus) nigroaeneus Sharp, 1889

He, Liang & Zhou, Hong-Zhang, 2017, Taxonomy of the subgenus Pseudocypus Mulsant & Rey (Coleoptera: Staphylinidae: Staphylinini) and eight new species from China, Zootaxa 4339 (1), pp. 1-77 : 73

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.