60 butterflies were recorded flying in Georgia in October in our iNaturalist sample; 8 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in October

Gulf Fritillary

Monarch

Long-tailed Skipper

Cloudless Sulphur

Common Buckeye

Fiery Skipper

Clouded Skipper

Ocola Skipper
Zebra Longwing
Sleepy Orange

Variegated Fritillary

Pearl Crescent
All butterflies flying in Georgia in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 2,039 | Sep (past peak) |
| 2 | Monarch | Danaus plexippus | Brush-footed Butterflies | 1,173 | Oct (peak) |
| 3 | Long-tailed Skipper | Urbanus proteus | Skippers | 948 | Oct (peak) |
| 4 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 681 | Sep (past peak) |
| 5 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 675 | Sep (past peak) |
| 6 | Fiery Skipper | Hylephila phyleus | Skippers | 607 | Jul (past peak) |
| 7 | Clouded Skipper | Lerema accius | Skippers | 465 | Sep (past peak) |
| 8 | Ocola Skipper | Panoquina ocola | Skippers | 417 | Oct (peak) |
| 9 | Zebra Longwing | Heliconius charithonia | Brush-footed Butterflies | 364 | Oct (peak) |
| 10 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 187 | Aug (past peak) |
| 11 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 182 | Sep (past peak) |
| 12 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 165 | Jun (past peak) |
| 13 | Little Yellow | Eurema lisa | Whites, Yellows, and Sulphurs | 161 | Sep (past peak) |
| 14 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 160 | Aug (past peak) |
| 15 | Carolina Satyr | Hermeuptychia sosybius | Brush-footed Butterflies | 135 | Aug (past peak) |
| 16 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 126 | May (past peak) |
| 17 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 119 | Aug (past peak) |
| 18 | Tropical Checkered-Skipper | Burnsius oileus | Skippers | 105 | Oct (peak) |
| 19 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 92 | Jul (past peak) |
| 20 | Whirlabout | Hedone vibex | Skippers | 83 | Sep (past peak) |
| 21 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 80 | Sep (past peak) |
| 22 | Southern Skipperling | Oarisma minima | Skippers | 77 | Aug (past peak) |
| 23 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 72 | May (past peak) |
| 24 | Ceraunus Blue | Hemiargus ceraunus | Gossamer-winged Butterflies | 72 | Oct (peak) |
| 25 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 71 | Aug (past peak) |
| 26 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 68 | Aug (past peak) |
| 27 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 67 | May (past peak) |
| 28 | Eastern Giant Swallowtail | Heraclides cresphontes | Swallowtails and Parnassians | 67 | Aug (past peak) |
| 29 | Eufala Skipper | Lerodea eufala | Skippers | 62 | Aug (past peak) |
| 30 | Palamedes Swallowtail | Papilio palamedes | Swallowtails and Parnassians | 52 | Sep (past peak) |
| 31 | Huron Skipper | Atalopedes huron | Skippers | 50 | Aug (past peak) |
| 32 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 46 | Jun (past peak) |
| 33 | Great Purple Hairstreak | Atlides halesus | Gossamer-winged Butterflies | 46 | Sep (past peak) |
| 34 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 45 | Jul (past peak) |
| 35 | Salt Marsh Skipper | Panoquina panoquin | Skippers | 37 | May (past peak) |
| 36 | Southern Pearly-eye | Lethe portlandia | Brush-footed Butterflies | 35 | Sep (past peak) |
| 37 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 33 | Jul (past peak) |
| 38 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 32 | Aug (past peak) |
| 39 | Common Checkered-Skipper | Burnsius communis | Skippers | 31 | Oct (peak) |
| 40 | White Peacock | Anartia jatrophae | Brush-footed Butterflies | 29 | Sep (past peak) |
| 41 | Eastern Gemmed-Satyr | Cyllopsis gemma | Brush-footed Butterflies | 25 | Apr (past peak) |
| 42 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 24 | Oct (peak) |
| 43 | Queen | Danaus gilippus | Brush-footed Butterflies | 23 | Sep (past peak) |
| 44 | Barred Yellow | Eurema daira | Whites, Yellows, and Sulphurs | 23 | Sep (past peak) |
| 45 | Checkered White | Pontia protodice | Whites, Yellows, and Sulphurs | 22 | May (past peak) |
| 46 | Cassius Blue | Leptotes cassius | Gossamer-winged Butterflies | 20 | Aug (past peak) |
| 47 | Dun Skipper | Euphyes vestris | Skippers | 20 | Jul (past peak) |
| 48 | Phaon Crescent | Phyciodes phaon | Brush-footed Butterflies | 19 | Mar (past peak) |
| 49 | Hackberry Emperor | Asterocampa celtis | Brush-footed Butterflies | 18 | Sep (past peak) |
| 50 | Southern Broken-Dash | Polites otho | Skippers | 17 | May (past peak) |