Primary type information:
Type-material: lectotype worker (by designation of Sorger, 2011a: 151). Type-locality: lectotype Indonesia: Sumatra, Simalur I., Sinabang, i.1913 (E. Jacobson). Type-depository: MHNG.
Secondary type information:
Paratype-material: 2 paralectotype workers. Paratype-locality: same as for lectotype. Paratype-depositories: MHNG, MSNG.