Primary type information:
Primary type material: holotype worker. Primary type locality: Indonesia: Sumatra, N Sum., 5 km. W Brastagi Tongkoh, 1450 m., 3.xii.1989, #29b (Löbl, Agosti & Burckhardt). Primary type depository: MHNG.
Secondary type information:
Secondary type material: 10 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, MCZC, MHNG.