Sara-species-group
Guides
Anthocharis julia
Julia Orangetip, Southern Rocky Mountain Orangetip
Anthocharis julia is a butterfly species in the family Pieridae, commonly known as the Julia Orangetip or Southern Rocky Mountain Orangetip. It is one of three species in the sara species group, distinguished by more than 2% mitochondrial DNA COI barcode divergence from congeners A. sara and A. thoosa. Molecular and morphological evidence consistently support its species status with no detected introgression or hybridization. The species is endemic to the southern Rocky Mountains on the eastern side of the range.