Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: Iowa, nr Bonaparte, 13.vii.1941 (W.F. Buren). Primary type depository: USNM.
Secondary type information:
Secondary type material: paratype workers (number not stated, “numerous”). Secondary type locality: same as for holotype. Secondary type depositories: ISUI, LACM, USNM.
Type notes:Buren, 1944a says paratypes are also in the collections of “other institutions and individuals”, without specification.