Primary type information:
Primary type material: lectotype worker (by designation of Wilson, 1955a: 37). Primary type locality: lectotype U.S.A.: Alaska, Sitka, vi.1899, Harriman Alaska Expd. (T. Kincaid). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 24 paralectotype workers. Secondary type locality: same as for lectotype. Secondary type depositories: AMNH, MCZC, USNM.