Primary type information:
Primary type material: holotype worker. Primary type locality: India: Darjeeling, 5000 ft, 14.iii.1924, (Mt Everest Expd.) (R.W.G. Hingston). Primary type depository: BMNH.
Secondary type information:
Secondary type material: 15 paratype workers. Secondary type locality: same as for holotype. Secondary type depository: BMNH.