Pseudolasius bidenticlypeus Xu, 1997: 3, figs. 14-16 (w.) CHINA (Guizhou). Palearctic.

Primary type information: Primary type material: holotype major worker. Primary type locality: China: Guizhou Prov., Guiyang (26.6°N, 106.7°E), 1980 m., 14.ix.1991, no. A91-778 (Z. Xu). Primary type depository: SFCY. Secondary type information: Secondary type material: 19 paratype media workers, 16 paratype minor workers. Secondary type locality: 10 paratype media, 12 paratype minor workers with same data as holotype, 9 paratype media, 4 paratype minor workers with same data as holotype but no. A91-788. Secondary type depository: SFCY.