Anteos maerula, the angled sulphur or yellow angled-sulphur, is a butterfly of the family Pieridae. It is found from Peru to Mexico. Rarely, migrants can be found up to eastern Nebraska, south-eastern Arizona, south-western New Mexico, southern Texas, Mississippi and Florida.

The wingspan is 82–117 mm. The upperside of the males is bright yellow, while females are paler. Both sexes have a black spot in the forewing cell. Adults feed on the nectar from red and purple flowers, including Hibiscus and Bougainvilla species.

The larvae feed on Cassia species, including Cassia emarginata.


source - Wikipedia