Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: California, Nevada County, Sagehen Creek, 39°26’N, 120°14’W, 1920 m., 27.vi.1994, #12585 (P.S. Ward). Primary type depository: MCZC.
Secondary type information:
Secondary type material: paratype workers, paratype queens, paratype males (numbers not stated). Secondary type locality: same as for holotype. Secondary type depositories: LACM, UCDC.