Stenamma brevicorne r. impar Forel, 1901j: 347 (w.q.) U.S.A. (Virginia). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Smith, 1957b: 152). Primary type locality: lectotype U.S.A.: nr Washington D.C., Virginia bank of Potomac River (T. Pergande, and A. Forel) (by restriction of Smith, 1957b: 152). Primary type depository: MHNG. Secondary type information: Secondary type material: paralectotype workers (number not stated), 1 paralectotype queen. Secondary type locality: same as for lectotype. Secondary type depositories: AMNH, MHNG, USNM. Type notes: Other paralectotype locality: 1 queen, U.S.A.: Massachusetts, Boston, Franklin Park (A. Forel).