60 butterflies were recorded flying in North Carolina in April in our iNaturalist sample; 9 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in April

Eastern Tiger Swallowtail

Pearl Crescent

Silver-spotted Skipper

Pipevine Swallowtail

Eastern Tailed-Blue

Juvenal's Duskywing

Zabulon Skipper

Spicebush Swallowtail

Carolina Satyr

American Lady

Monarch

Palamedes Swallowtail
All butterflies flying in North Carolina in April
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 2,041 | Aug (rising) |
| 2 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 844 | Apr (peak) |
| 3 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 749 | Aug (rising) |
| 4 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 567 | Jul (rising) |
| 5 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 501 | Apr (peak) |
| 6 | Juvenal's Duskywing | Erynnis juvenalis | Skippers | 491 | Apr (peak) |
| 7 | Zabulon Skipper | Lon zabulon | Skippers | 473 | Aug (rising) |
| 8 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 379 | Aug (rising) |
| 9 | Carolina Satyr | Hermeuptychia sosybius | Brush-footed Butterflies | 374 | Aug (rising) |
| 10 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 368 | Jun (rising) |
| 11 | Monarch | Danaus plexippus | Brush-footed Butterflies | 365 | Sep (rising) |
| 12 | Palamedes Swallowtail | Papilio palamedes | Swallowtails and Parnassians | 338 | Aug (rising) |
| 13 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 244 | Aug (rising) |
| 14 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 226 | Jul (rising) |
| 15 | Zebra Swallowtail | Eurytides marcellus | Swallowtails and Parnassians | 215 | Jun (rising) |
| 16 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 171 | May (rising) |
| 17 | Sleepy Duskywing | Erynnis brizo | Skippers | 153 | Apr (peak) |
| 18 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 151 | Jun (rising) |
| 19 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 138 | Sep (rising) |
| 20 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 135 | Mar (past peak) |
| 21 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 124 | Sep (rising) |
| 22 | Eastern Gemmed-Satyr | Cyllopsis gemma | Brush-footed Butterflies | 114 | Apr (peak) |
| 23 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 107 | May (rising) |
| 24 | Silvery Checkerspot | Chlosyne nycteis | Brush-footed Butterflies | 98 | Jul (rising) |
| 25 | Common Checkered-Skipper | Burnsius communis | Skippers | 94 | Oct (rising) |
| 26 | Juniper Hairstreak | Callophrys gryneus | Gossamer-winged Butterflies | 84 | Apr (peak) |
| 27 | Falcate Orangetip | Anthocharis midea | Whites, Yellows, and Sulphurs | 81 | Mar (past peak) |
| 28 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 79 | Jun (rising) |
| 29 | Southern Pearly-eye | Lethe portlandia | Brush-footed Butterflies | 65 | Sep (rising) |
| 30 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 61 | Sep (rising) |
| 31 | Dreamy Duskywing | Erynnis icelus | Skippers | 58 | Apr (peak) |
| 32 | Henry's Elfin | Callophrys henrici | Gossamer-winged Butterflies | 58 | Mar (past peak) |
| 33 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 57 | Sep (rising) |
| 34 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 55 | Jul (rising) |
| 35 | Harvester | Feniseca tarquinius | Gossamer-winged Butterflies | 49 | Apr (peak) |
| 36 | Clouded Skipper | Lerema accius | Skippers | 49 | Sep (rising) |
| 37 | Fiery Skipper | Hylephila phyleus | Skippers | 37 | Jul (rising) |
| 38 | Spring Azure | Celastrina ladon | Gossamer-winged Butterflies | 37 | Mar (past peak) |
| 39 | Northern Cloudywing | Cecropterus pylades | Skippers | 36 | May (rising) |
| 40 | Meadow Fritillary | Boloria bellona | Brush-footed Butterflies | 35 | Jun (rising) |
| 41 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 35 | Aug (rising) |
| 42 | Brown Elfin | Callophrys augustinus | Gossamer-winged Butterflies | 34 | Mar (past peak) |
| 43 | Least Skipper | Ancyloxypha numitor | Skippers | 32 | Aug (rising) |
| 44 | Southern Cloudywing | Cecropterus bathyllus | Skippers | 31 | Jul (rising) |
| 45 | Common Sootywing | Pholisora catullus | Skippers | 27 | Aug (rising) |
| 46 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 26 | Jul (rising) |
| 47 | Eastern Pine Elfin | Callophrys niphon | Gossamer-winged Butterflies | 26 | Apr (peak) |
| 48 | White M Hairstreak | Parrhasius m-album | Gossamer-winged Butterflies | 26 | Sep (rising) |
| 49 | Huron Skipper | Atalopedes huron | Skippers | 25 | Aug (rising) |
| 50 | Hoary Edge | Cecropterus lyciades | Skippers | 25 | Jul (rising) |