Primary type information:
Primary type material: lectotype worker (by designation of Pacheco & Mackay, 2013: 331). Primary type locality: lectotype Argentina: Buenos Aires, Nuñez, 24.vi.1899 (F. Silvestri). Primary type depository: MSNG.
Secondary type information:
Secondary type material: 2 paralectotype workers, 2 paralectotype queens. Secondary type locality: same as for lectotype. Secondary type depository: MSNG.
Type notes:Pacheco & Mackay, 2013: 331, say the original syntype material was collected by C. Bruch, but Emery, 1906c: 107, implies that all material in the publication was collected by F. Silvestri.