26 butterflies were recorded flying in Delaware in November in our iNaturalist sample; 0 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in November

Common Buckeye

Variegated Fritillary
Huron Skipper

Monarch

Fiery Skipper

Small White

Orange Sulphur

Common Checkered-Skipper

American Lady

Painted Lady

Red Admiral

Pearl Crescent
All butterflies flying in Delaware in November
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 34 | Sep (past peak) |
| 2 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 16 | Sep (past peak) |
| 3 | Huron Skipper | Atalopedes huron | Skippers | 13 | Sep (past peak) |
| 4 | Monarch | Danaus plexippus | Brush-footed Butterflies | 11 | Aug (past peak) |
| 5 | Fiery Skipper | Hylephila phyleus | Skippers | 10 | Oct (past peak) |
| 6 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 10 | Jun (past peak) |
| 7 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 8 | Sep (past peak) |
| 8 | Common Checkered-Skipper | Burnsius communis | Skippers | 8 | Oct (past peak) |
| 9 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 7 | Jun (past peak) |
| 10 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 6 | Sep (past peak) |
| 11 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 4 | Jul (past peak) |
| 12 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 4 | Sep (past peak) |
| 13 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 3 | Aug (past peak) |
| 14 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 2 | Sep (past peak) |
| 15 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 2 | Apr (past peak) |
| 16 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 2 | Jul (past peak) |
| 17 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 2 | Sep (past peak) |
| 18 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 2 | Aug (past peak) |
| 19 | Bronze Copper | Tharsalea hyllus | Gossamer-winged Butterflies | 2 | Jul (past peak) |
| 20 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 1 | Aug (past peak) |
| 21 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 1 | Aug (past peak) |
| 22 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 1 | Mar (past peak) |
| 23 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 1 | Jul (past peak) |
| 24 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 1 | Aug (past peak) |
| 25 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 1 | Jul (past peak) |
| 26 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 1 | Aug (past peak) |