Primary type information:
Primary type material: holotype worker. Primary type locality: Malaysia: Sarawak, 4th Division, Gunong Mulu Nat. Park, (RGS Expd.), Long Pala, 19.ix.1977 (B. Bolton). Primary type depository: BMNH.
Secondary type information:
Secondary type material: 21 paratype workers. Secondary type localities: 14 paratype workers with same data as holotype, 2 paratype workers with same data as holotype but 29.ix.1977, 5 paratype workers Brunei: Kuala Belalong, UBD Field Centre, 4°33’N, 115°08’E, xi.1991 (A.N. Andersen). Secondary type depositories: ANIC, BMNH, MCZC, TERC.