Horace’s Duskywing on Drummond’s Clematis

In a comment on yesterday’s post about white wild indigo in Illinois, Sherry Felix pointed out the connection to the wild indigo duskywing butterfly. That species is found in Austin, so I’ve probably seen it without recognizing it (what I know about butterflies weighs only as little as one). Still, the mention of duskywings sent me looking back at some photographs I took on June 30 in Great Hills Park, where I’d stopped to check out the flowers on a mound of Clematis drummondii. Also checking them out, though of course for a different purpose, was a dark butterfly that I now take, thanks to a butterfly field guide, to be a Horace’s duskwing, Erynnis horatius.

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