Primary type information:
Type-material: 4 syntype workers, 1 syntype queen. Type-locality: 2 workers Indonesia: Sumatra, O.K., Soengei Rampah, 18.vii.1919 (
J.B. Corporaal), 2 workers, 1 queen with same data but 28.vii.1919. Type-depository:
NHMB.