Primary type information:
Primary type material: holotype worker. Primary type locality: China: Ningxia Hui Autonomous region, 1150 m., 4.viii.1998, no. 98-460 (Y. Chang). Primary type depository: NUYC.
Secondary type information:
Secondary type material: 11 paratype workers. Secondary type locality: 3 paratype workers with same data as holotype but no. 98-646, 8 paratype workers with same data as holotype but 1420 m., 10.vi.1999, no. 99-107. Secondary type depository: NUYC.