Primary type information: Primary type material: holotype worker. Primary type locality: Malaysia: Sarawak, 4th Division, Gn. Mulu N.P., 1930 m., v-viii.1978, B.M. 1978-49 (P.M. Hammond & J.E. Marshall). Primary type depository: BMNH. Secondary type information: Secondary type material: 5 paratype workers. Secondary type localities: 1 paratype worker with same data as holotype, 2 paratype workers with same data as holotype but 2070 m., 2 paratype workers with same locality as holotype but 17.iii.1978, 2070 m., montane forest, soil core (N.M. Collins). Secondary type depositories: BMNH, MCZC, MHNG.