European Skipper. Photo: Bob Yukich
Crossline Skipper. Photo: Bob Yukich
Delaware Skipper. Photo: Bob Yukich
Hobomok Skipper. Photo: Bob Yukich
Dun Skipper. Photo: Bob Yukich
Peck's Skipper. Photo: Bob Yukich
Tawny-edged Skipper. Photo: Bob Yukich
Little Glassywing female. Photo: Bob Yukich
Least Skipper. Photo: Bob Yukich
Fiery Skipper. Photo: Bob Yukich
Northern Broken-Dash. Photo: Bob Yukich
Silver-spotted Skipper. Photo: Bob Yukich
Northern Cloudywing. Photo: Bob Yukich
Juvenal's Duskywing female. Photo: Bob Yukich
Wild Indigo Duskywing. Photo: Bob Yukich
Eastern Tiger Swallowtail. Photo: Bob Yukich
Black Swallowtail female. Photo: Bob Yukich
Spicebush Swallowtail. Photo: Bob Yukich
Giant Swallowtail. Photo: Bob Yukich
Pipevine Swallowtail. Photo: Bob Yukich
Cabbage White. Photo: Bob Yukich
Clouded Sulphur. Photo: Bob Yukich
Orange Sulphur. Photo: Bob Yukich
Banded Hairstreak. Photo: Bob Yukich
Striped Hairstreak. Photo: Bob Yukich
Eastern Tailed-Blue. Photo: Bob Yukich
Eastern Tailed-Blue. Photo: Bob Yukich
Spring Azure. Photo: Bob Yukich
Summer Azure. Photo: Bob Yukich
Silvery Blue. Photo: Bob Yukich
Karner Blue (historical). Photo: Bob Yukich
Monarch. Photo: Bob Yukich
Great Spangled Fritillary. Photo: Bob Yukich
White Admiral. Photo: Bob Yukich
Red-spotted Purple. Photo: Bob Yukich
Painted Lady. Photo: Bob Yukich
American Lady. Photo: Bob Yukich
Red Admiral. Photo: Bob Yukich
Compton Tortoiseshell. Photo: Bob Yukich
Mourning Cloak. Photo: Bob Yukich
Question Mark. Photo: Bob Yukich
Eastern Comma. Photo: Bob Yukich
Eastern Comma. Photo: Bob Yukich
Gray Comma. Photo: Bob Yukich
Common Buckeye. Photo: Bob Yukich
Silvery Checkerspot. Photo: Bob Yukich
Pearl Crescent. Photo: Bob Yukich
Northern Crescent. Photo: Bob Yukich
Little Wood-Satyr. Photo: Bob Yukich
Common Ringlet. Photo: Bob Yukich
Northern Pearly-Eye. Photo: Bob Yukich
Common Wood-Nymph. Photo: Bob Yukich