Primary type information:
Primary type material: holotype major worker. Primary type locality: Vietnam: Lao Cai Prov., Sa Pa, Bang Khoang (site A, ca 1700-1800 m.), Eg02-VN-137, 27.iv.2002 (K. Eguchi). Primary type depository: IEHV.
Secondary type information:
Secondary type material: 34 paratype major workers, 35 paratype minor workers. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, IEHV, KEPC, KUIC, MCZC, MHNG, NHMW.
Status as species: Eguchi, 2008: 52 (redescription).