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Sulphur butterfly - cloudless? - Phoebis sennae - male

Sulphur butterfly - cloudless? - Phoebis sennae - Male
Naples, Southwest Florida in Collier County, Florida, USA
July 4, 2005
Size: 3 inches
I see these butterflies frequently but they are hard to photograph because they don't stay still. I caught this one emerging from its chrysalis, also pictured. I am fairly certain it is some kind of sulphur and assume Cloudless Sulphur but am having a hard time distinguishing. It was rather more green than some of the photos I see. We have senna trees in our yard so we get the whole life cycle and these are abundant around here.

I agree
The double spots on the hindwing point toward Cloudless Sulphur. Great pic!