Description: 26-35 mm. Males are almost pure yellow on the dorsal side. Underside is yellow with mottled brown markings - more pronounced in the winter forms. Females are similar to males but have a brown dot on the forewing and black spots on outer margins of the wings.

 

Habitat and Distribution: This butterfly is widespread and common in the southern United States (abundant in Florida). They have been reported in all months of the year but is most frequently found in the fall when they migrate. They are found in many habitats.

 

Host Plant: Cassias

 

Natural History: