Primary type information:
Primary type material: syntype workers (number not stated). Primary type locality: Argentina: Buenos Aires (von Steiger) (by restriction of Kempf, 1972b: 80). Primary type depositories: MHNG, NHMB.
Type notes:
1) Shattuck, 1994: 88, cites 16 worker syntypes. 2) Other original syntype locality: Uruguay: Nueva Helvecia (von Steiger).