Primary type information:
Primary type material: holotype worker. Primary type locality: Indonesia: Sumatra, W Sum., Anai V. Nat. Res., 10 km. W Padangpanjan, 250 m., 17.xi.1989, no. 18 (Agosti, Löbl & Burckhardt). Primary type depository: MHNG.
Secondary type information:
Secondary type material: 38 paratype workers, 1 paratype queen. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, MCZC, MHNG.