Contributions to the knowledge of the 'Staphylinus-complex' (Coleoptera: Staphylinidae: Staphylinini) of China. Part XX. The genus Ocypus Leach, 1819, subgenus Pseudocypus Mulsant & Rey, 1876. Section 1. Zootaxa, 1421, March 8 2007: 1-72. 47 [Zoological Record Volume 143]