Type notes:
Material included: China: Karakash valley, between Kawak Pass and Sanju Pass, 3700-3200 m., 16.ix.- 5.x.1929 (J.A. Sillem), China: Khotan, 1350 m., 6-12.v.1930 (J.A. Sillem); workers, deposited in NCBA (no type status).
As unavailable (infrasubspecific) name: Weber, 1943d: 342 (in list).
Declared as unavailable (infrasubspecific) name: Agosti, 1990b: 1498.