Where to see a Gray Hairstreak in Pennsylvania

The Gray Hairstreak is recorded in the counties of 5 Pennsylvania state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:

1. Snyder-Middleswarth State Park
2. Prince Gallitzin State Park
3. Haldeman State Forest
4. Point State Park
5. Allegheny Islands State Park

These are county-level records — the species is documented in the area around each park, which is a strong steer rather than a guarantee for the park itself.

Gray Hairstreak in other states → · All Pennsylvania state parks →