Primary type information:
Primary type material: holotype worker. Primary type locality: China: Qinghai Prov., Dachaidan, 3020 m, 15.vi.1999, no. 99-261 (Y. Chang). Primary type depository: NUYC.
Secondary type information:
Secondary type material: 34 paratype workers. Secondary type locality: paratypes with same data as holotype but 20 workers no. 99-117, 7 paratype workers no. 99-151, 3 paratype workers no. 99-170, 4 paratype workers no. 99-263. Secondary type depository: NUYC.