Primary type information:
Primary type material: holotype worker. Primary type locality: Indonesia: Netherlands New Guinea (= Irian Jaya), Baliem River, 1600 m., 14.xii.1938, in rotten branch (L.J. Toxopeus). Primary type depository: BZBC.
Secondary type information:
Secondary type material: 1 paratype queen. Secondary type locality: same as for holotype. Secondary type depositories: ANIC, BZBC, CASC, MCZC.