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, ca 1100 m.), Eg01-VN-222, 11.xi.2001 (K. Eguchi). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 11 paratype major workers, 13 paratype minor workers, 1 paratype queen. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, IEHV, KEPC, KUIC, MCZC, MHNG, NHMW.
Status as species: Eguchi, 2008: 14 (redescription).