Delaware Butterflies: Pictures and Butterfly Identification Help

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picture of an Eastern Tiger Swallowtail, the official state butterfly of Delaware and part of the Delaware butterflies collection

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This small Atlantic Coast state ranks on the lower end of state butterfly diversity with 70 species of butterflies and 50 of skippers. The top picture shows an Eastern Tiger Swallowtail, the official state butterfly.

Butterfly identification usually begins with color. So, the butterfly 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. Anyone looking for butterfly identification help can press the green butterfly button for more information.

Butterflies: Whites and Yellows


picture of a Southern Dogface Butterfly
Pieridae is the formal name of the family that consists of the butterflies with white wings and yellow wings. The picture shows a Barred Yellow butterfly. The Southen Dogface and only makes occasional stray visits to the state. Here’s a list of the rest of the white butterflies and yellow butterflies documented in the state.
Whites
Falcate Orangetip
Cabbage White
Checkered White
Yellows
Clouded Sulphur
Orange Sulphur
Southern Dogface
Cloudless Sulphur
Little Yellow
Sleepy Orange

Blues, Hairtreaks and Coppers


picture of a top view of a gray hairstreak butterfly
All of Delaware’s Gossamer wing butterflies can be found almost regularly throughout the state. The picture shows a Gray Hairtreak, one of the most common species from coast to coast.
Blues
Eastern Tailed-Blue
Spring Azure
Summer Azure
Appalachian Azure
Holly Azure
Hairstreaks
Great Purple Hairstreak
Hessel’s Hairstreak
Juniper Hairstreak
Brown Elfin
Frosted Elfin
Henry’s Elfin
Eastern Pine Elfin
Coral Hairstreak
Banded Hairstreak
King’s Hairstreak
Striped Hairstreak
Red-banded Hairstreak
Gray Hairstreak
White-M Hairstreak
Coppers
Harvester
American Copper
Bronze Copper

Brush Footed Butterflies


picture of a Common Buckeye butterfly
A few of the Brush Footed butterflies such as the Gulf Fritillary only make an occasional stray appearance in the state. Otherwise, the list presents a very healthy and diverse population of butterflies that most residents and visitors will see at local parks and gardens.
Brush footed
American Snout
Monarch
Gulf Fritillary
Variegated Fritillary
Great Spangled Fritillary
Regal Fritillary
Silver-bordered Fritillary
Meadow Fritillary
Red-spotted Purple
Astyanax’ Red-spotted Purple
Viceroy
Hackberry Emperor
Tawny Emperor
Silvery Checkerspot
Pearl Crescent
Baltimore Checkerspot
Brush footed
Common Buckeye
Question Mark
Eastern Comma
Gray Comma
Milbert’s Tortoiseshell
Mourning Cloak
Red Admiral
Painted Lady
American Lady
Eyed Brown
Appalachian Brown
Little Wood-Satyr
Common Wood-Nymph

Butterflies: Swallowtails


picture of a Palamedes Swallowtail
Of the six swallowtail species, the Palamedes and Giant Swallowtails appear in Delaware as strays. The picture shows a Palamedes.
  • Pipevine Swallowtail
  • Zebra Swallowtail
  • Black Swallowtail
  • Eastern Tiger Swallowtail
  • Palamedes Swallowtail
  • Giant Swallowtail