Primary type information:
Primary type material: holotype worker. Primary type locality: Malaysia: Sarawak, 4th Division, Gunong Mulu Nat. Pk, RGS Expd., Long Pala, 19.ix.1977, lowland rainforest, soil pocket on rock (B. Bolton). Primary type depository: BMNH.
Secondary type information:
Secondary type material: 51 paratype workers. Secondary type locality: 27 paratype workers with same data as holotype, 24 paratype workers with same data as holotype but 20.ix.1977. Secondary type depositories: BBRC, BMNH, MCZC, MHNG, NHMB, USNM.