Yellow angled-sulphur

Anteos maerula

"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.
Angled sulphur - Anteos maerula As a difference from A. clorinde its wings are also yellow green inside and with a different pattern. 
Ruins of Chichen Itza. Anteos maerula,Geotagged,Mexico,Summer,Yellow angled-sulphur

Appearance

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.
Anteos maerula  Anteos maerula,Geotagged,Venezuela,Winter,Yellow angled-sulphur

Food

The larvae feed on "Cassia" species, including "Cassia emarginata".

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyPieridae
GenusAnteos
SpeciesA. maerula
Photographed in
Mexico
Venezuela