Butterfly Checklist
The following checklist contains butterflies sighted at the Allegheny Portage Railroad National Historic Site in the summer of 1998. The study was completed by the Pennsylvania State University. The butterflies were observed in both open and wooded habitats. Next to each butterfly name there is specification as to where the butterfly was sighted.
Please use the following key as a reference:
(w): Butterfly sighted in wooded habitat.
(o): Butterfly sighted in open habitat.
(wo): Butterfly sighted in both wooded and open habitats.
- American Copper (o)
- American Lady (w)
- Cabbage White (wo)
- Common Woodnymph (o)
- Dreamy Duskywing (o)
- Dun Skipper (o)
- Eastern-tailed Blue (o)
- Eurpean Skipper (o)
- Great Spangled Fritallary (wo)
- Hobomok Skipper (o)
- Horace's Duskywing (o)
- Juvenal's Duskywing (o)
- Least Skipper (o)
- Meadow Fritallary (o)
- Monarch (wo)
- Mourning Cloak (w)
- Orange Sulphur (o)
- Pearl Crescent (wo)
- Peck's Skipper (wo)
- Question Mark (wo)
- Red-spotted Purple (wo)
- Silver-spotted Skipper (wo)
- Spicebush Swallowtail (wo)
- Spring Azure (wo)
- Tiger Swallowtail (wo)
- Wood Satyr (o)
Note: Please remember that collection of birds, butterflies, flora, and fauna is prohibited within National Park Boundaries.
