A female orange sulphur butterfly, Colias eurytheme, I think, and not a female clouded sulphur, C. philodice, because, although these species are quite similar, this one looks just like the example in Kaufman’s Field Guide to Butterflies of North America. Complicating matters, these two species can hybridize.

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  • "I commit the following pages to the candour of the Publick." And so we begin The Life of Samuel Johnson LLD. #ReadingYear 9 hours ago
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