Primary type information:
Primary type material: holotype worker. Primary type locality: Vietnam: Lao Cai, Sa Pa, 4.v.2002, Eg02-VN-272 (K. Eguchi). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 7 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: IEHV, SKYC, TNHM.