Regional Butterfly and Moth Information
Top 20 Commonly Reported Butterflies and Moths of Pennsylvania
These are the most commonly reported butterflies and moths in Pennsylvania. If you do not see the species you found, look at all photographs submitted in Pennsylvania, or visit the Pennsylvania page to see recently submitted sightings.
Monarch
Danaus plexippus
Eastern Tiger Swallowtail
Papilio glaucus
Pearl Crescent
Phyciodes tharos
Silver-spotted Skipper
Epargyreus clarus
Cabbage White
Pieris rapae
Peck's Skipper
Polites peckius
Wild Indigo Duskywing
Erynnis baptisiae
'Astyanax' Red-spotted Purple
Limenitis arthemis astyanax
Zabulon Skipper
Poanes zabulon
Black Swallowtail
Papilio polyxenes
Great Spangled Fritillary
Speyeria cybele
Orange Sulphur
Colias eurytheme
Sachem
Atalopedes campestris
Spicebush Swallowtail
Papilio troilus
Eastern Tailed-Blue
Cupido comyntas
Summer Azure
Celastrina neglecta
Imperial moth
Eacles imperialis
Red Admiral
Vanessa atalanta
Canadian melanolophia
Melanolophia canadaria
Polyphemus moth
Antheraea polyphemus
We can help identify your butterfly or moth!
If you know the date and location where the photograph was taken, we can help. It's simple!
A coordinator will review your submission, and you will get an email with the identification.
We will store your submitted data. Your submission will contribute to our species profiles, checklists, and database. You can track all your submissions and create a personal species list.
Identifying Caterpillars
Do you have a photograph of a caterpillar? If so, when you submit your photograph, please provide us with host plant information if possible. Consider raising it to the adult stage before submitting photographs.
Surprisingly, most of the larval stages of butterflies and moths are simply unknown, and caterpillar photographs can be very difficult to identify. It may take some time for a coordinator to identify your caterpillar.
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