The Months Butterflies Observed
Sorted by Common Name
A list of butterflies and the months when they are observed on the 6800 acre Fermilab site, 40 miles west of Chicago, Illinois

Butterfly Data - Sorted By Scientific Name

Common Name
Acadian Hairstreak
American Lady
American Snout
Banded Hairstreak
Black Dash
Black Swallowtail
Bronze Copper
Cabbage White
Checkered White
Clouded Sulphur
Common Buckeye
Common Checkered-Skipper
Common Sootywing
Common Wood-Nymph
Coral Hairstreak
Dainty Sulphur
Delaware Skipper
Dion Skipper
Dun Skipper
Eastern Comma
Eastern Tiger Swallowtail
European Skipper
Eyed Brown
Fiery Skipper
Giant Swallowtail
Gray Comma
Great Spangled Fritillary
Least Skipper
Little Glassywing
Little Wood-Satyr
Little Yellow
Meadow Fritillary
Mourning Cloak
Northern Broken-Dash
Northern Pearly-Eye
Orange Sulphur
Painted Lady
Pearl Crescent
Peck’s Skipper
Pipevine Swallowtail
Purplish Copper
Question Mark
Red Admiral
Red-Spotted Purple
Silver-Spotted Skipper
Spring Azure
Tawny-Edged Skipper
Variegated Fritillary
Wild Indigo Duskywing