Primary type information:
Primary type material: holotype worker. Primary type locality: Vietnam: Lao Cai Prov., Van Ban Dist., Liem Phu (450-650 m.), 28.ix.2006, Eg28ix06-10 (K. Eguchi). Primary type depository: VNMN.
Secondary type information:
Primary type material: 9 paratype workers. Primary type locality: same as for holotype. Primary type depositories: SKYC, TNHM.