Eupithecia biedermanata Cassino & Swett (Figs. 1–3; 5–9)

Original description: Cassino, S. E. & Swett, L. W., 1922. Lepidopterist 3(10): 168.

Type series and location: Holotype male in MCZ; allotype female in NMNH. Type locality: Hereford, Arizona (Feb. 19); female allotype from Palmerlee, Arizona. McDunnough revision: 1949: 598.