Lasius niger var. americanus Emery, 1893k: 639 (w.q.m.) U.S.A. (Virginia). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Wilson, 1955a: 86). Primary type locality: lectotype U.S.A.: Virginia, 1.vii.1885 (no collector’s name). Primary type depository: MSNG. Secondary type information: Secondary type material: 2 paralectotype workers, 3 paralectotype queens. Secondary type locality: same as for lectotype. Secondary type depository: MSNG.