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