Primary type information:
Primary type material: holotype worker. Primary type locality: Vietnam: Lao Cai, Sa Pa, Y Linh Ho (ca. 1100m.), 1.v.2002, Eg02-VN-225 (K. Eguchi). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 5 paratype workers. Secondary type locality: 2 paratype workers with same data as holotype, 3 paratype workers with same data as holotype but Eg02-VN-215. Secondary type depositories: BMNH, CASC, KEPC, KUEC, TNHM.