Primary type information:
Primary type material: holotype worker. Primary type locality: China: Gansu Prov., Hezuo, 3100 m., 20.vi.1999, no. 99-100 (Y. Chang). Primary type depository: NUYC.
Secondary type information:
Secondary type material: 20 paratype workers. Secondary type locality: 4 paratype workers with same data as holotype but no. 98-184, 11 paratype workers with same data as holotype but no. 99-103, 5 paratype workers with same data as holotype but no. 99-210. Secondary type depository: NUYC.