Primary type information:
Primary type material: lectotype worker (by designation of Ortiz-Sepúlveda et al., 2019: 491). Primary type locality: lectotype U.S.A.: District of Columbia, Georgetown College, 10.viii.1885 (T. Pergande) (by restriction of Creighton, 1950a: 359). Primary type depository: MSNG.
Secondary type information:
Secondary type material: 36 paralectotype workers, 1 paralectotype queen, 10 paralectotype males. Secondary type locality: same as for lectotype. Secondary type depository: MSNG.
Type notes:
1) The original description does not mention queens or males. 2) Other original syntype localities: U.S.A.: Dakota (T. Pergande), U.S.A.: New Jersey (T. Pergande), U.S.A.: Virginia (T. Pergande).