| Pepper and Salt Skipper | Amblyscirtes | hegon | | 59 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Common Roadside Skipper | Amblyscirtes | vialis | | 56 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Delaware Skipper | Anatrytone | logan | | 118 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Least Skipper | Ancyloxypha | numitor | | 1083 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Sachem | Atalopedes | huron | | 3154 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Rare Skipper | Atrytone | bulenta | | 36 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Dusted Skipper | Atrytonopsis | hianna | | 69 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Common Checkered Skipper | Burnsius | communis | | 516 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Brazilian Skipper | Calpodes | ethlius | | 8 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Southern Cloudywing | Cecropterus | bathyllus | | 83 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Confused Cloudywing | Cecropterus | confusis | | 6 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Dorantes Longtail | Cecropterus | dorantes | | 1 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Hoary Edge | Cecropterus | lyciades | | 62 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Northern Cloudywing | Cecropterus | pylades | | 154 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Silver-spotted Skipper | Epargyreus | clarus | | 2652 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Wild Indigo Duskywing | Erynnis | baptisiae | | 439 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Sleepy Duskywing | Erynnis | brizo | | 165 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Funereal Duskywing | Erynnis | funeralis | | 1 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Horace's Duskywing | Erynnis | horatius | | 525 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Dreamy Duskywing | Erynnis | icelus | | 131 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Juvenal's Duskywing | Erynnis | juvenalis | | 395 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Mottled Duskywing | Erynnis | martialis | | 15 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Persius Duskywing | Erynnis | persius | | 1 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Zarucco Duskywing | Erynnis | zarucco | | 4 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Two-spotted Skipper | Euphyes | bimacula | | 19 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Black Dash | Euphyes | conspicua | | 63 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Dion Skipper | Euphyes | dion | | 40 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Palatka Skipper | Euphyes | pilatka | | 1 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Dun Skipper | Euphyes | vestris | | 367 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Whirlabout | Hedone | vibex | | 5 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Dotted Skipper | Hesperia | attalus | | 1 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Leonard's Skipper | Hesperia | leonardus | | 49 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Cobweb Skipper | Hesperia | metea | | 82 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Indian Skipper | Hesperia | sassacus | | 46 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Fiery Skipper | Hylephila | phyleus | | 1012 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Clouded Skipper | Lerema | accius | | 181 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Eufala Skipper | Lerodea | eufala | | 7 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Long Dash | Limochores | mystic | | 61 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Crossline Skipper | Limochores | origenes | | 187 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Hobomok Skipper | Lon | hobomok | | 181 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Zabulon Skipper | Lon | zabulon | | 1867 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Swarthy Skipper | Nastra | lherminier | | 237 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Twin-spot Skipper | Oligoria | maculata | | 2 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Ocola Skipper | Panoquina | ocola | | 317 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Salt Marsh Skipper | Panoquina | panoquin | | 69 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Common Sootywing | Pholisora | catullus | | 160 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Aaron's Skipper | Poanes | aaroni | | 39 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Chermock's Mulberry Wing | Poanes | massasoit chermocki | | 0 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Mulberry Wing | Poanes | massasoit massasoit | | 40 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Broad-winged Skipper | Poanes | viator | | 394 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Northern Broken-Dash | Polites | egeremet | | 119 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Southern Broken-Dash | Polites | otho | | 149 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Peck's Skipper | Polites | peckius | | 1199 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Tawny-edged Skipper | Polites | themistocles | | 235 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Appalachian Grizzled Skipper | Pyrgus | centaureae wyandot | | 10 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Hayhurst's Scallopwing | Staphylus | hayhurstii | | 77 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Golden-banded Skipper | Telegonus | cellus | | 5 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| European Skipper | Thymelicus | lineola | | 149 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Long-tailed Skipper | Urbanus | proteus | | 112 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Little Glassywing | Vernia | verna | | 631 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Great Purple Hairstreak | Atlides | halesus | | 76 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Brown Elfin | Callophrys | augustinus | | 90 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Juniper Hairstreak | Callophrys | gryneus | | 189 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Henry's Elfin | Callophrys | henrici | | 251 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Hessel's Hairstreak | Callophrys | hesseli | | 3 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Frosted Elfin | Callophrys | irus | | 57 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Eastern Pine Elfin | Callophrys | niphon | | 146 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Hoary Elfin | Callophrys | polios | | 1 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Red-banded Hairstreak | Calycopis | cecrops | | 1176 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| American Holly Azure | Celastrina | idella | | 14 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Spring Azure | Celastrina | ladon | | 143 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Northern Azure | Celastrina | lucia | | 15 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Summer Azure | Celastrina | neglecta | | 967 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Appalachian Azure | Celastrina | neglectamajor | | 24 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Dusky Azure | Celastrina | nigra | | 3 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Cherry Gall Azure | Celastrina | serotina | | 4 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Eastern Tailed-Blue | Cupido | comyntas orientalis | | 2665 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Early Hairstreak | Erora | laeta | | 12 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Harvester | Feniseca | tarquinius | | 132 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Silvery Blue | Glaucopsyche | lygdamus | | 101 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Bog Copper | Lycaena | epixanthe | | 40 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Bronze Copper | Lycaena | hyllus | | 81 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| American Copper | Lycaena | phlaeas | | 329 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| White-M Hairstreak | Parrhasius | m-album | | 176 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Acadian Hairstreak | Satyrium | acadica | | 1 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Banded Hairstreak | Satyrium | calanus | | 210 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Hickory Hairstreak | Satyrium | caryaevorus | | 7 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Edwards' Hairstreak | Satyrium | edwardsii | | 58 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Northern Oak Hairstreak | Satyrium | favonius ontario | | 22 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| King's Hairstreak | Satyrium | kingi | | 19 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Striped Hairstreak | Satyrium | liparops | | 61 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Coral Hairstreak | Satyrium | titus | | 105 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Gray Hairstreak | Strymon | melinus | | 972 | Butterflies | Lycaenidae | Lepidoptera | Insecta | Animalia |
| Milbert's Tortoiseshell | Aglais | milberti | | 2 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Gulf Fritillary | Agraulis | vanillae | | 12 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Aphrodite Fritillary | Argynnis | aphrodite | | 42 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Great Spangled Fritillary | Argynnis | cybele | | 880 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Hackberry Emperor | Asterocampa | celtis | | 303 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Tawny Emperor | Asterocampa | clyton | | 124 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Meadow Fritillary | Boloria | bellona | | 170 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Silver-bordered Fritillary | Boloria | selene | | 28 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Common Wood-Nymph | Cercyonis | pegala | | 409 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Harris's Checkerspot | Chlosyne | harrisii | | 39 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Silvery Checkerspot | Chlosyne | nycteis | | 351 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Common Ringlet | Coenonympha | california | | 3 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Gemmed Satyr | Cyllopsis | gemma | | 1 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Queen | Danaus | gilippus | | 5 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Monarch | Danaus | plexippus | | 3927 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Baltimore Checkerspot | Euphydryas | phaeton | | 117 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Variegated Fritillary | Euptoieta | claudia | | 1628 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Zebra Longwing | Heliconius | charithonia | | 2 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Carolina Satyr | Hermeuptychia | sosybius | | 82 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Common Buckeye | Junonia | coenia | | 2063 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Northern Pearly-eye | Lethe | anthedon | | 533 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Appalachian Brown | Lethe | appalachia | | 301 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| American Snout | Libytheana | carinenta | | 279 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Viceroy | Limenitis | archippus | | 494 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| White Admiral | Limenitis | arthemis arthemis | | 7 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Red-spotted Purple | Limenitis | arthemis astyanax | | 1676 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Little Wood Satyr | Megisto | cymela | | 637 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Mourning Cloak | Nymphalis | antiopa | | 666 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Compton Tortoiseshell | Nymphalis | l-album | | 23 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Northern Crescent | Phyciodes | cocyta | | 8 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Pearl Crescent | Phyciodes | tharos | | 2232 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Eastern Comma | Polygonia | comma | | 720 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Question Mark | Polygonia | interrogationis | | 645 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Gray Comma | Polygonia | progne | | 41 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Atlantis Fritillary | Speyeria | atlantis brittanae | | 25 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Diana Fritillary | Speyeria | diana | | 1 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Regal Fritillary | Speyeria | idalia | | 34 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Red Admiral | Vanessa | atalanta | | 1952 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Painted Lady | Vanessa | cardui | | 688 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| American Lady | Vanessa | virginiensis | | 1025 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Pipevine Swallowtail | Battus | philenor | | 357 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Zebra Swallowtail | Eurytides | marcellus | | 1272 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Giant Swallowtail | Heraclides | cresphontes | | 92 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Black Swallowtail | Papilio | polyxenes | | 1029 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Appalachian Tiger Swallowtail | Pterourus | appalachiensis | | 35 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Eastern Tiger Swallowtail | Pterourus | glaucus | | 3991 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Palamedes Swallowtail | Pterourus | palamedes | | 31 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Spicebush Swallowtail | Pterourus | troilus | | 1145 | Butterflies | Papilionidae | Lepidoptera | Insecta | Animalia |
| Sleepy Orange | Abaeis | nicippe | | 536 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Falcate Orangetip | Anthocharis | midea | | 398 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Great Southern White | Ascia | monuste | | 3 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Orange Sulphur | Colias | eurytheme | | 1370 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Pink-edged Sulphur | Colias | interior | | 3 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Clouded Sulphur | Colias | philodice | | 497 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Olympia Marble | Euchloe | olympia | | 83 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Barred Yellow | Eurema | daira | | 1 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Dainty Sulphur | Nathalis | iole | | 25 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Large Orange Sulphur | Phoebis | agarithe | | 2 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Cloudless Sulphur | Phoebis | sennae | | 528 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Cabbage White | Pieris | rapae | | 2951 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| West Virginia White | Pieris | virginiensis | | 78 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Checkered White | Pontia | protodice | | 56 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Little Yellow | Pyrisitia | lisa | | 102 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Southern Dogface | Zerene | cesonia | | 3 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Northern Metalmark | Calephelis | borealis | | 176 | Butterflies | Riodinidae | Lepidoptera | Insecta | Animalia |
| Little Metalmark | Calephelis | virginiensis | | 1 | Butterflies | Riodinidae | Lepidoptera | Insecta | Animalia |