Great Basin Fritillary (Argynnis/Speyeria egleis)

S. e. mattooni, Cascade-Siskioyou National Monument. June 21, 2021

NOTE: S. e. egleis and S. e. mattooni are also in southern Oregon. See ButterfliesofAmerica.com for these (including the Warners segregate) or download the Coronis Fritillary Field Identification guide (inv-iile-speyeria-coronis-coronis-field-guide-2013.pdf).