Primary type information:
Primary type material: holotype worker. Primary type locality: China: Ningxia Hui Autonomous Region, Haiyuan, 1720 m., 22.vi.1999, no. 99-152 (Y. Chang). Primary type depository: NUYC.
Secondary type information:
Secondary type material: 8 paratype workers. Secondary type locality: same data as holotype but no. 99-196. Secondary type depository: NUYC.