Type notes:
Material included: Argentina: Santiago del Estero, Loreto, no. 2005 (A.A. Ogloblin); 1 major worker, 1 minor worker, deposited in NHMB (no type status).
As unavailable (infrasubspecific) name: Kempf, 1972b: 185.
Declared as unavailable (infrasubspecific) name: Bolton, 1995b: 324.