Primary type information:
Primary type material: holotype worker. Primary type locality: Indonesia: Japen I. (= Yapen I.) Mt Eiori, 2000 ft, x.1938 (L.E. Cheesman). Primary type depository: BMNH.
Secondary type information:
Secondary type material: 22 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, MCZC.