Primary type information:
Primary type material: holotype worker. Primary type locality: China: Tibet, Gautsa, 13000 ft, 5.iv.1924 (Mt Everest Expd.) (R.W.G. Hingston). Primary type depository: BMNH.
Secondary type information:
Secondary type material: 7 paratype workers. Secondary type locality: same as for holotype. Secondary type depository: BMNH.
Type notes:Donisthorpe, 1929a also mentions 10 workers (BMNH): India: Sikkim, Khamba Jong, 15000-16000 ft, 15-30.vii.1903, (Tibet Expd.) (no collector’s name); these are not regarded as paratypes (Radchenko & Elmes, 2001b: 259, Radchenko & Elmes, 2010: 176).