Primary type information:
Primary type material: holotype worker. Primary type locality: Vietnam: Ha Tinh Prov., Huong Son Dist., Son Kim II Commune (18°31’N, 105°27’E), Rao An, 21.ii.2000 (T.V. Bui). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 1 paratype worker. Secondary type locality: same as for holotype. Secondary type depository: KMNH.