Aricia dorsumstellae
A small blue with a wingspan of 25-35 mm, males are a sky-blue while females are brown with orange crescent-shaped markings. The starry-backed lives at higher altitudes, on mountaintops, overhanging rocks, cliffs, and stony slopes. The host plant associated with this butterfly is the trichomanes-leaved stork’s-bill (Erodium trichomanifolium). This species flies May through June.