Primary type information:
Primary type material: holotype worker. Primary type locality: Brunei: Tasek Merimbun, Tutong, 17.viii.1999, Eg99-BOR-590 (K. Eguchi). Primary type depository: MBSB.
Secondary type information:
Secondary type material: 1 paratype worker, 3 paratype males. Secondary type locality: same as for holotype. Secondary type depositories: MBSB, MHNG.