AFRANIUS DUSKYWING, (Erynnis afranius)
A smaller, western mountains butterfly, the Afranius Duskywing has 2 broods compared to 1 brood in the similar looking Persius Duskywing (Erynnis persius). Where both butterflies overlap in range, the Persius Duskywing only has one brood, so late season flying individuals would be the Afranius Duskywing.