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