Serpa-group
Guides
Adelpha eulalia
Arizona Sister
Adelpha eulalia, commonly known as the Arizona Sister, is a butterfly species in the family Nymphalidae. It belongs to the serpa species group within the genus Adelpha. The species was previously treated as a subspecies of Adelpha bredowii (Bredow's Sister), but phylogenetic studies based on morphological, geographical, and genetic evidence have established it as a distinct species.