Primary type information:
Type-material: holotype worker. Type-locality: holotype Indonesia: Sumatra, Ulu Gadut, nr Padang, 27-30.viii.1985 (Sk. Yamane). Type-depository: BZBC.
Secondary type information:
Paratype-material: 9 paratype workers. Paratype-locality: same as for holotype. Paratype-depositories: BZBC, KUIC.