Primary type information:
Primary type material: syntype workers (number not stated), 1 syntype queen. Primary type localities: U.S.A.: South Dakota, Hill City (no collector’s name) (invalid restriction of type locality by Creighton, 1952a: 277; no lectotype designated), U.S.A.: Utah (no further data), U.S.A.: Colorado (no further data). Primary type depositories: AMNH, MCZC.