Type notes:
Material included: Russia: Tobolsk prov., Surgut, vi.1913 (S.M. Tshugunov), Surgut, Yugansk, 24.vi.(1913?) (S.M. Tshugunov); 27 major and minor workers, 19 queens, deposited in ZMUM (no type status).
Declared as unavailable (infrasubspecific) name: Bolton, 1995b: 105.