Primary type information:
Primary type material: holotype worker. Primary type locality: Thailand: Chiang Mai Prov., Doi Step (= Suthep) (1500 m.), 18.viii.1992 (M. Terayama & S. Kubota). Primary type depository: NIAS.
Secondary type information:
Secondary type material: 3 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: NIAS, NSMT.