Gratography members can easily contribute to our Pennsylvania butterflies section. Register today.
Penn’s Woods host an average number of butterflies. Most are very common species along the Atlantic coast area. The Common Wood Nymph pictured at the top of the page is one example.
According to the Pennsylvania State University
One hundred forty-six species of butterflies and skippers have been reported in Pennsylvania. Of these, 24 have been documented only a few times and should be considered rare visitors.
Visitors looking for butterfly identification help can press the green butterfly button for more information.
Butterflies: Whites and Yellows
Pieridae is the formal name of the family that consists of the butterflies with white wings and yellow wings. Most states have more of the yellow butterfly species. Here’s a list of the rest of the white butterflies and yellow butterflies documented in the state.
West Virginia White
Blues, Hairtreaks and Coppers
Situated a bit further north, Pennsylvania might be the dividing line for states hosting more than one Copper butterfly. Most copper butterflies are found in the West. However, the presence of four in Pennsylvania is strong for the area. The picture shows a Bronze Copper.
Cherry Gall Azure
Great Purple Hairstreak
Olive’ Juniper Hairstreak
Eastern Pine Elfin
Northern’ Southern Hairstreak
Brush Footed Butterflies
A quick look at the Brush footed butterfly list shows that a few genera such as Fritillaries, Commas and Checkerspots make up a large portion of the Pennsylvania butterflies population. The picture shows a Variegated Fritillary.
Great Spangled Fritillary
Astyanax’ Red-spotted Purple
Pennsylvania Butterflies: Swallowtails
- Pipevine Swallowtail
- Zebra Swallowtail
- Black Swallowtail
- Canadian Tiger Swallowtail
- Appalachian Tiger Swallowtail
- Eastern Tiger Swallowtail
- Spicebush Swallowtail
- Palamedes Swallowtail
- Giant Swallowtail
Butterfly identification usually begins with color. So, the Pennsylvania Butterflies section is split into nine different categories based on wing color and/or the butterfly family to help all visitors and members easily categorize and document their butterfly pictures.