Primary type information:
Type-material: holotype major worker. Type-locality: Indonesia: Sumatra, Padang, Ulu Gadut, 28.iii.1997 (F. Ito). Type-depository: BZBC.
Secondary type information:
Paratype-material: 5 paratype major workers, 25 paratype minor workers, 7 paratype ergatoid queens. Paratype-locality: 6 paratype minor workers, 2 paratype ergatoid queens with same data as holotype, 5 paratype major workers, 19 paratype minor workers, 5 paratype ergatoid queens with same data as holotype but 30.iii.1997. Paratype-depositories: BZBC, MNHA, NIAS.