A large and very confusing group of similarly patterned species.
The group is confined to Papua and Papua New Guinea, and are small in size for the Delias genus.
We use the recent revision of aroae subgroup by Katsuki FUNAHASHI :
Funahashi K., 2012. A taxonomic review of Delias aroae species complex s. str. belonging to New Guinea, Lepidoptera Science 63 (1): 1 - 17