Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: California, Butte County, Chico, 2.iii.1954, 450 ft, Sec.17, T22N, R2E (A. Wenner). Primary type depository: USNM. Primary type specimen: USNMENT00529087.
Secondary type information:
Secondary type material: 20 paratype workers. Secondary type locality: same as for holotype. Secondary type depository: LACM, USNM.