Red Admiral.
Orange Sulphur.
Clouded Sulphur.
Black Swallowtail.
Spicebush Swallowtail.
Eastern Tiger Swallowtail.
Question Mark.
Red Hairstreak.
Fiery Skipper (male).
Eastern Tailed-blue.
Summer Azure.
Sachem (female left, male right).
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This work by Matthew Wills is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.
Backyard and Beyond 
Great shots! I remember a few years back the Red-Admiral was so numerous they were even going into the subways.
Booms and busts. Last year was a bumper year for Common Buckeye, but I’ve only seen a handful this year.
I love getting these mini-fieldguides. I get a splash of beauty combined with a chance to retain some field-useful information. No looking through mountains of stuff I’m not likely to see. Great photos of what could easily be in my patch of green.
Way more butterflies than I am finding. Lovely set.