60 butterflies were recorded flying in Texas 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

Queen

Pipevine Swallowtail
Bordered Patch

Monarch
Hackberry Emperor

Fiery Skipper

Clouded Skipper

Gray Hairstreak

Little Yellow

Tawny Emperor

Eastern Tiger Swallowtail
All butterflies flying in Texas in August
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 6,490 | Oct (rising) |
| 2 | Queen | Danaus gilippus | Brush-footed Butterflies | 4,147 | Oct (rising) |
| 3 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 2,499 | Apr (past peak) |
| 4 | Bordered Patch | Chlosyne lacinia | Brush-footed Butterflies | 2,181 | Jul (past peak) |
| 5 | Monarch | Danaus plexippus | Brush-footed Butterflies | 1,982 | Oct (rising) |
| 6 | Hackberry Emperor | Asterocampa celtis | Brush-footed Butterflies | 1,898 | Apr (past peak) |
| 7 | Fiery Skipper | Hylephila phyleus | Skippers | 1,737 | Oct (rising) |
| 8 | Clouded Skipper | Lerema accius | Skippers | 1,594 | Oct (rising) |
| 9 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 1,434 | Apr (past peak) |
| 10 | Little Yellow | Eurema lisa | Whites, Yellows, and Sulphurs | 1,234 | Oct (rising) |
| 11 | Tawny Emperor | Asterocampa clyton | Brush-footed Butterflies | 1,156 | Oct (rising) |
| 12 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 1,110 | May (past peak) |
| 13 | Phaon Crescent | Phyciodes phaon | Brush-footed Butterflies | 1,107 | Oct (rising) |
| 14 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 1,097 | Oct (rising) |
| 15 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 1,087 | Apr (past peak) |
| 16 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 1,032 | Oct (rising) |
| 17 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 1,019 | May (past peak) |
| 18 | Huron Skipper | Atalopedes huron | Skippers | 1,007 | Oct (rising) |
| 19 | Black Swallowtail | Papilio polyxenes | Swallowtails and Parnassians | 894 | May (past peak) |
| 20 | White-striped Longtail | Chioides albofasciatus | Skippers | 878 | Oct (rising) |
| 21 | Ceraunus Blue | Hemiargus ceraunus | Gossamer-winged Butterflies | 822 | Oct (rising) |
| 22 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 793 | Apr (past peak) |
| 23 | Eufala Skipper | Lerodea eufala | Skippers | 727 | Oct (rising) |
| 24 | Eastern Giant Swallowtail | Heraclides cresphontes | Swallowtails and Parnassians | 703 | Sep (rising) |
| 25 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 682 | Apr (past peak) |
| 26 | Common Mestra | Mestra amymone | Brush-footed Butterflies | 662 | Oct (rising) |
| 27 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 659 | Oct (rising) |
| 28 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 637 | Oct (rising) |
| 29 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 577 | Oct (rising) |
| 30 | Large Orange Sulphur | Phoebis agarithe | Whites, Yellows, and Sulphurs | 564 | Oct (rising) |
| 31 | Horace's Duskywing | Erynnis horatius | Skippers | 562 | May (past peak) |
| 32 | Goatweed Leafwing | Anaea andria | Brush-footed Butterflies | 553 | Mar (past peak) |
| 33 | Long-tailed Skipper | Urbanus proteus | Skippers | 541 | Oct (rising) |
| 34 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 505 | Aug (peak) |
| 35 | White Peacock | Anartia jatrophae | Brush-footed Butterflies | 437 | Nov (rising) |
| 36 | Dainty Sulphur | Nathalis iole | Whites, Yellows, and Sulphurs | 424 | Apr (past peak) |
| 37 | Western Giant Swallowtail | Heraclides rumiko | Swallowtails and Parnassians | 388 | Oct (rising) |
| 38 | Reakirt's Blue | Echinargus isola | Gossamer-winged Butterflies | 384 | Apr (past peak) |
| 39 | Dun Skipper | Euphyes vestris | Skippers | 376 | Apr (past peak) |
| 40 | Great Southern White | Ascia monuste | Whites, Yellows, and Sulphurs | 346 | Apr (past peak) |
| 41 | Brazilian Skipper | Calpodes ethlius | Skippers | 333 | Aug (peak) |
| 42 | Juniper Hairstreak | Callophrys gryneus | Gossamer-winged Butterflies | 327 | Mar (past peak) |
| 43 | Celia's Roadside-Skipper | Amblyscirtes celia | Skippers | 317 | Oct (rising) |
| 44 | Mallow Scrub-Hairstreak | Strymon istapa | Gossamer-winged Butterflies | 307 | Nov (rising) |
| 45 | Orange Skipperling | Oarisma aurantiaca | Skippers | 301 | Oct (rising) |
| 46 | Tropical Checkered-Skipper | Burnsius oileus | Skippers | 294 | Oct (rising) |
| 47 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 293 | Apr (past peak) |
| 48 | Lyside Sulphur | Kricogonia lyside | Whites, Yellows, and Sulphurs | 284 | Apr (past peak) |
| 49 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 279 | Aug (peak) |
| 50 | Southern Skipperling | Oarisma minima | Skippers | 249 | Nov (rising) |