Primary type information:
Type-material: lectotype worker (by designation of Arimoto, 2017a: 101). Type-locality: lectotype Indonesia: Sumatra, Enggano I., Malaconni, vi.1891 (E. Modigliani). Type-depository: MSNG.
Secondary type information:
Paratype-material: 4 paralectotype workers. Paratype-locality: same as for lectotype. Paratype-depositories: MSNG, NHMW.