Primary type information:
Primary type material: holotype major worker. Primary type locality: Vietnam: Ha Tay Prov., Ba Vi Nat. Park, 21°03’N, 105°22’E, 670 m., Eg01-VN-230 (K. Eguchi). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 11 paratype major workers, 12 paratype minor workers. Secondary type locality: same as for holotype. Secondary type depositories: IEHV, KEPC, MCZC, MHNG.