Anthocharis julia prestonorum Stout, 2012;  Comments: W & SW CO, W of the divide TL: USA (Co).

Anthocharis julia prestonorum ♀ USA: Colorado, Montezuma, Mancos River Canyon, Mesa Verde National Park, 37.17.03.80, 108.21.50.47, 6481', 7-May-99, leg. Opler, Buckner, Wells, specimen No. NVG-2016 [CSUC]. Specimen courtesy of the C. P. Gillette Museum of Arthropod Diversity, Fort Collins, Colorado   —   © Nick V. Grishin