Primary type information:
Type-material: holotype worker. Type-locality: Indonesia: Krakatau Is, Rakata I., 06°09’N, 105°28’E, 11.x.2000 (H. Simbolon). Type-depository: MZBJ.
Secondary type information:
Paratype-material: 8 paratype workers. Paratype-locality: same as for holotype. Paratype-depositories: BMNH, CASC, FRKL, KUEC, MCZC, MHNG, NHMB, TNHM.