Primary type information:
Primary type material: holotype worker. Primary type locality: Vietnam: Ha Tai Prov., Ba Vi N.P. (ca 400 m.), 12.xi.1999, Eg99-VN-126 (K. Eguchi). Primary type depository: VNMN.
Secondary type information:
Secondary type material: 17 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, MCZC, SKYC, TNHM.