Subgenus
Agraulis
The Gulf fritillary or passion butterfly (Agraulis vanillae) is a bright orange butterfly of the family Nymphalidae and subfamily Heliconiinae. That subfamily was formerly set apart as a separate family, the Heliconiidae. The Heliconiinae are “longwing butterflies”, which have long, narrow wings compared to other butterflies. Gulf fritillary is the only member of genus Agraulis.