Primary type information:
Primary type material: holotype major worker. Primary type locality: Vietnam: Ha Tai Prov., Ba Vi Nat. Park, 400-600 m., Eg99-VN-092 (K. Eguchi). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 5 paratype minor workers. Secondary type locality: same as for holotype. Secondary type depositories: IEHV, KEPC, MCZC, MHNG.