Sighting for September 16, 2019
Curtis A. Lehman
Forest Hills
Allegheny County, PA
- Pipevine Swallowtail
- Black Swallowtail
- Eastern Tiger Swallowtail
- Cabbage White
- Clouded Sulphur
- Orange Sulphur
- Gray Hairstreak
- Eastern Tailed-Blue
- 'Summer' Spring Azure
- Pearl Crescent
- Question Mark
- Red-spotted Purple
- Hackberry Emperor
- Monarch
- Silver-spotted Skipper
- Common Checkered-Skipper
- Fiery Skipper
- Peck's Skipper
- Sachem
- Zabulon Skipper