60 butterflies were recorded flying in Virginia in October in our iNaturalist sample; 5 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in October

Monarch

Common Buckeye
Huron Skipper

Pearl Crescent

Variegated Fritillary

Fiery Skipper

Small White

Common Checkered-Skipper

Eastern Tailed-Blue

Ocola Skipper

Clouded Skipper

Painted Lady
All butterflies flying in Virginia in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Monarch | Danaus plexippus | Brush-footed Butterflies | 1,566 | Aug (past peak) |
| 2 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 1,438 | Sep (past peak) |
| 3 | Huron Skipper | Atalopedes huron | Skippers | 1,050 | Sep (past peak) |
| 4 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 832 | Sep (past peak) |
| 5 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 713 | Sep (past peak) |
| 6 | Fiery Skipper | Hylephila phyleus | Skippers | 587 | Sep (past peak) |
| 7 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 502 | Jun (past peak) |
| 8 | Common Checkered-Skipper | Burnsius communis | Skippers | 492 | Oct (peak) |
| 9 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 397 | Sep (past peak) |
| 10 | Ocola Skipper | Panoquina ocola | Skippers | 333 | Oct (peak) |
| 11 | Clouded Skipper | Lerema accius | Skippers | 326 | Sep (past peak) |
| 12 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 322 | Oct (peak) |
| 13 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 289 | Jun (past peak) |
| 14 | Black Swallowtail | Papilio polyxenes | Swallowtails and Parnassians | 269 | Aug (past peak) |
| 15 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 259 | Jul (past peak) |
| 16 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 257 | Aug (past peak) |
| 17 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 254 | Sep (past peak) |
| 18 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 238 | Aug (past peak) |
| 19 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 224 | Mar (past peak) |
| 20 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 202 | Jul (past peak) |
| 21 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 191 | Aug (past peak) |
| 22 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 148 | Aug (past peak) |
| 23 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 110 | Aug (past peak) |
| 24 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 107 | Aug (past peak) |
| 25 | Long-tailed Skipper | Urbanus proteus | Skippers | 105 | Sep (past peak) |
| 26 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 86 | Sep (past peak) |
| 27 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 72 | Oct (peak) |
| 28 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 70 | Sep (past peak) |
| 29 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 68 | Aug (past peak) |
| 30 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 66 | Jul (past peak) |
| 31 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 48 | Jul (past peak) |
| 32 | Great Spangled Fritillary | Argynnis cybele | Brush-footed Butterflies | 43 | Jun (past peak) |
| 33 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 41 | May (past peak) |
| 34 | Southern Pearly-eye | Lethe portlandia | Brush-footed Butterflies | 34 | Sep (past peak) |
| 35 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 33 | Aug (past peak) |
| 36 | Least Skipper | Ancyloxypha numitor | Skippers | 30 | Aug (past peak) |
| 37 | Wild Indigo Duskywing | Erynnis baptisiae | Skippers | 27 | Aug (past peak) |
| 38 | Meadow Fritillary | Boloria bellona | Brush-footed Butterflies | 23 | Jul (past peak) |
| 39 | Common Wood-Nymph | Cercyonis pegala | Brush-footed Butterflies | 22 | Jul (past peak) |
| 40 | Little Yellow | Eurema lisa | Whites, Yellows, and Sulphurs | 20 | Sep (past peak) |
| 41 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 20 | Aug (past peak) |
| 42 | White M Hairstreak | Parrhasius m-album | Gossamer-winged Butterflies | 20 | Sep (past peak) |
| 43 | Tawny Emperor | Asterocampa clyton | Brush-footed Butterflies | 18 | Aug (past peak) |
| 44 | Eastern Gemmed-Satyr | Cyllopsis gemma | Brush-footed Butterflies | 18 | Apr (past peak) |
| 45 | Horace's Duskywing | Erynnis horatius | Skippers | 17 | Jul (past peak) |
| 46 | Hackberry Emperor | Asterocampa celtis | Brush-footed Butterflies | 16 | Aug (past peak) |
| 47 | American Copper | Lycaena hypophlaeas | Gossamer-winged Butterflies | 16 | Jul (past peak) |
| 48 | Dun Skipper | Euphyes vestris | Skippers | 14 | Aug (past peak) |
| 49 | Zebra Swallowtail | Eurytides marcellus | Swallowtails and Parnassians | 14 | Jun (past peak) |
| 50 | Checkered White | Pontia protodice | Whites, Yellows, and Sulphurs | 13 | Oct (peak) |