Primary type information:
Primary type material: holotype major worker. Primary type locality: Vietnam: Dong Nai Prov., S Cat Tien Nat. Park (ca 160 m.), Eg04-VN-800, 24.x.2004 (K. Eguchi & T.V. Bui). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 30 paratype major workers, 35 paratype minor workers, 5 paratype queens. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, IEHV, KEPC, KUIC, MCZC, MHNG.