Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: California, Mendocino County, Mesa Grande, Russian River, 30.ix.1906 (J.C. Bradley). Primary type depositories: MCZC.
Secondary type information:
Secondary type material: 17 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: AFPC, LACM, MCZC.