Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: Arizona, Mead Lake of Boulder Dam, Horseshoe I., 2.v.1941 (V.M. Tanner). Primary type depository: USNM. Primary type specimen: FMNHINS0000062660.
Secondary type information:
Secondary type material: 20 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: CASC, LACM, MCZC, USNM.
Smith records that 7 paratypes were deposited in the Tanner collection, current whereabouts unknown.