60 butterflies were recorded flying in Florida in August in our iNaturalist sample; 3 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in August

Gulf Fritillary
White Peacock

Monarch

Spicebush Swallowtail
Zebra Longwing

Eastern Giant Swallowtail

Horace's Duskywing

Cloudless Sulphur

Fiery Skipper

Palamedes Swallowtail

Eastern Tiger Swallowtail

Long-tailed Skipper
All butterflies flying in Florida in August
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 2,501 | Oct (rising) |
| 2 | White Peacock | Anartia jatrophae | Brush-footed Butterflies | 1,790 | Oct (rising) |
| 3 | Monarch | Danaus plexippus | Brush-footed Butterflies | 1,347 | Apr (past peak) |
| 4 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 1,252 | Sep (rising) |
| 5 | Zebra Longwing | Heliconius charithonia | Brush-footed Butterflies | 964 | Apr (past peak) |
| 6 | Eastern Giant Swallowtail | Heraclides cresphontes | Swallowtails and Parnassians | 952 | Sep (rising) |
| 7 | Horace's Duskywing | Erynnis horatius | Skippers | 854 | Apr (past peak) |
| 8 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 801 | Sep (rising) |
| 9 | Fiery Skipper | Hylephila phyleus | Skippers | 713 | Sep (rising) |
| 10 | Palamedes Swallowtail | Papilio palamedes | Swallowtails and Parnassians | 678 | Sep (rising) |
| 11 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 656 | Sep (rising) |
| 12 | Long-tailed Skipper | Urbanus proteus | Skippers | 635 | Oct (rising) |
| 13 | Ceraunus Blue | Hemiargus ceraunus | Gossamer-winged Butterflies | 615 | Sep (rising) |
| 14 | Queen | Danaus gilippus | Brush-footed Butterflies | 606 | Sep (rising) |
| 15 | Atala | Eumaeus atala | Gossamer-winged Butterflies | 565 | Jul (past peak) |
| 16 | Barred Yellow | Eurema daira | Whites, Yellows, and Sulphurs | 415 | Nov (rising) |
| 17 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 413 | Aug (peak) |
| 18 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 412 | Jun (past peak) |
| 19 | Phaon Crescent | Phyciodes phaon | Brush-footed Butterflies | 406 | Apr (past peak) |
| 20 | Zebra Swallowtail | Eurytides marcellus | Swallowtails and Parnassians | 398 | Mar (past peak) |
| 21 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 392 | Oct (rising) |
| 22 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 358 | Sep (rising) |
| 23 | Whirlabout | Hedone vibex | Skippers | 351 | Apr (past peak) |
| 24 | Tropical Checkered-Skipper | Burnsius oileus | Skippers | 339 | Sep (rising) |
| 25 | Three-spotted Skipper | Cymaenes tripunctus | Skippers | 336 | Sep (rising) |
| 26 | Delaware Skipper | Anatrytone logan | Skippers | 332 | Sep (rising) |
| 27 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 306 | May (past peak) |
| 28 | Monk Skipper | Choranthus capucinus | Skippers | 290 | Apr (past peak) |
| 29 | Polydamas Swallowtail | Battus polydamas | Swallowtails and Parnassians | 249 | Jul (past peak) |
| 30 | White Checkered-Skipper | Burnsius albezens | Skippers | 237 | Jul (past peak) |
| 31 | Julia Heliconian | Dryas iulia | Brush-footed Butterflies | 235 | Apr (past peak) |
| 32 | Orange-barred Sulphur | Phoebis philea | Whites, Yellows, and Sulphurs | 225 | Apr (past peak) |
| 33 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 224 | May (past peak) |
| 34 | Clouded Skipper | Lerema accius | Skippers | 222 | Sep (rising) |
| 35 | Cassius Blue | Leptotes cassius | Gossamer-winged Butterflies | 219 | Apr (past peak) |
| 36 | West Indian Mangrove Buckeye | Junonia neildi | Brush-footed Butterflies | 205 | Mar (past peak) |
| 37 | Dorantes Longtail | Cecropterus dorantes | Skippers | 204 | Nov (rising) |
| 38 | Dainty Sulphur | Nathalis iole | Whites, Yellows, and Sulphurs | 203 | Apr (past peak) |
| 39 | Ocola Skipper | Panoquina ocola | Skippers | 184 | Oct (rising) |
| 40 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 177 | Apr (past peak) |
| 41 | Little Yellow | Eurema lisa | Whites, Yellows, and Sulphurs | 166 | Oct (rising) |
| 42 | Zarucco Duskywing | Erynnis zarucco | Skippers | 152 | Jul (past peak) |
| 43 | Carolina Satyr | Hermeuptychia sosybius | Brush-footed Butterflies | 146 | Mar (past peak) |
| 44 | Ruddy Daggerwing | Marpesia petreus | Brush-footed Butterflies | 145 | Apr (past peak) |
| 45 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 142 | Aug (peak) |
| 46 | Southern Skipperling | Oarisma minima | Skippers | 140 | Jul (past peak) |
| 47 | Southern Broken-Dash | Polites otho | Skippers | 139 | Sep (rising) |
| 48 | Brazilian Skipper | Calpodes ethlius | Skippers | 129 | Sep (rising) |
| 49 | Tawny Emperor | Asterocampa clyton | Brush-footed Butterflies | 119 | Jul (past peak) |
| 50 | Hackberry Emperor | Asterocampa celtis | Brush-footed Butterflies | 116 | Aug (peak) |