Marpesia furcula

Marpesia furcula, the sunset daggerwing or glossy daggerwing, is a species of butterfly of the family Nymphalidae. It is found in Central and South America, from Nicaragua to Bolivia and Argentina. The habitat consists of evergreen rainforests at altitudes up to 1,400 meters.
There are two distinct forms, the orange form "oechalia" and the form "iole" which has an intense iridescent purple sheen overlaying the golden-orange basal area.