Primary type information:
Primary type material: syntype major and minor workers, syntype queen(s), syntype males (numbers not stated). Primary type localities: Malaysia: Malacca, Maxwell’s Hill, nr Taiping, and Birch Hill, 1911-12 (H. von Buttel-Reepen), Indonesia: Sumatra, Tandjong Slamat, 1911-12 (H. von Buttel-Reepen). Primary type depository: MHNG.