Primary type information:
Type-material: holotype worker. Type-locality: Indonesia: N Sumatra, Danau Toba, Parapat (900 m.), 19.viii.2002, SU02-SKY-66 (Sk. Yamane). Type-depository: MZBJ.
Secondary type information:
Paratype-material: 12 paratype workers. Paratype-locality: same as for holotype. Paratype-depositories: BMNH, KUEC, MCZC, MHNG, MSNG, NHMB.