Meet the Bright, Buttery Cloudless Sulphur Butterfly 

The Cloudless Sulphur butterfly (Phoebis sennae) has stunning buttery-yellow wings. Six amazing facts about them:  

Cloudless Sulphurs are easily identified by their bright yellow wings without dark markings. Their vibrant hue contrasts with greenery and flowers, where they live.  

Bright Look  

From the southern US to Central and South America, these butterflies are native. They live in fields, gardens, and coastal locations.  


Some Cloudless Sulphurs migrate considerable distances for food and nesting habitats. Based on nectar plant availability, they travel north in spring and south in October.  


Cloudless Sulphur larvae eat legumes like Partridge Pea (Chamaecrista fasciculata) and Senna. Eggs and caterpillars live on these plants.  

Hosting Plants  

Cloudless Sulphurs are adaptive butterflies that thrive in many situations. They feed on a variety of flowering plants in urban, suburban, and agricultural regions.  


Cloudless Sulphurs pollinate flowers by eating nectar like all butterflies. They also feed predators like birds and insects, maintaining their environments' ecological balance.  

Ecological Value  


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