Primary type information:
Type-material: 2 syntype workers. Type-locality: Indonesia: Kalimantan, Pulo Laut (Doherty) (by restriction of Wheeler, 1919f: 81). Type-depository: MSNG.
Type notes:
Other syntype locality: 1 worker Borneo (no further data).
As unavailable (infrasubspecific) name: Emery, 1901i: 567.