Primary type information:
Primary type material: holotype worker (?). Primary type locality: U.S.A.: Iowa, nr Winterset, 27.vi.1941 (W.F. Buren). Primary type depository: USNM.
Secondary type information:
Secondary type material: 92 paratype workers, 12 paratype queens, 1 paratype male. Secondary type locality: same as for holotype. Secondary type depositories: ISUI, LACM, USNM.
1) Buren does not specify the sex/caste of the holotype, assumed here to be a worker. 2) There are also “a few paratypes in the collection of Herbert T. Dalmat”, present location unknown.