51 butterflies were recorded flying in District of Columbia in June 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 June

Small White

Silver-spotted Skipper

Zabulon Skipper

Eastern Tiger Swallowtail

Eastern Tailed-Blue

Red Admiral

Least Skipper

Pearl Crescent

Question Mark

Monarch

Spicebush Swallowtail

Zebra Swallowtail
All butterflies flying in District of Columbia in June
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 131 | Jun (peak) |
| 2 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 119 | Aug (rising) |
| 3 | Zabulon Skipper | Lon zabulon | Skippers | 79 | Aug (rising) |
| 4 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 76 | Aug (rising) |
| 5 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 58 | Sep (rising) |
| 6 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 50 | Jul (rising) |
| 7 | Least Skipper | Ancyloxypha numitor | Skippers | 45 | Jul (rising) |
| 8 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 32 | Sep (rising) |
| 9 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 32 | May (past peak) |
| 10 | Monarch | Danaus plexippus | Brush-footed Butterflies | 30 | Sep (rising) |
| 11 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 28 | Aug (rising) |
| 12 | Zebra Swallowtail | Eurytides marcellus | Swallowtails and Parnassians | 25 | Jul (rising) |
| 13 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 22 | Jun (peak) |
| 14 | Appalachian Brown | Lethe appalachia | Brush-footed Butterflies | 21 | Aug (rising) |
| 15 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 20 | Apr (past peak) |
| 16 | Broad-winged Skipper | Poanes viator | Skippers | 16 | Jun (peak) |
| 17 | Little Wood Satyr | Megisto cymela | Brush-footed Butterflies | 15 | Jun (peak) |
| 18 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 14 | May (past peak) |
| 19 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 13 | Sep (rising) |
| 20 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 12 | Oct (rising) |
| 21 | Huron Skipper | Atalopedes huron | Skippers | 12 | Sep (rising) |
| 22 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 11 | Sep (rising) |
| 23 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 11 | Sep (rising) |
| 24 | Wild Indigo Duskywing | Erynnis baptisiae | Skippers | 11 | Sep (rising) |
| 25 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 10 | Mar (past peak) |
| 26 | Great Spangled Fritillary | Argynnis cybele | Brush-footed Butterflies | 10 | Jun (peak) |
| 27 | Banded Hairstreak | Satyrium calanus | Gossamer-winged Butterflies | 8 | Jun (peak) |
| 28 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 7 | Sep (rising) |
| 29 | Northern Pearly-eye | Lethe anthedon | Brush-footed Butterflies | 6 | Jun (peak) |
| 30 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 5 | Sep (rising) |
| 31 | Silvery Checkerspot | Chlosyne nycteis | Brush-footed Butterflies | 5 | Jul (rising) |
| 32 | Horace's Duskywing | Erynnis horatius | Skippers | 4 | Sep (rising) |
| 33 | Black Swallowtail | Papilio polyxenes | Swallowtails and Parnassians | 4 | Jul (rising) |
| 34 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 4 | May (past peak) |
| 35 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 4 | Aug (rising) |
| 36 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 4 | Aug (rising) |
| 37 | Little Glassywing | Vernia verna | Skippers | 4 | Aug (rising) |
| 38 | Common Sootywing | Pholisora catullus | Skippers | 3 | Aug (rising) |
| 39 | Dun Skipper | Euphyes vestris | Skippers | 3 | Aug (rising) |
| 40 | Fiery Skipper | Hylephila phyleus | Skippers | 2 | Sep (rising) |
| 41 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 2 | Oct (rising) |
| 42 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 2 | Jul (rising) |
| 43 | Common Wood-Nymph | Cercyonis pegala | Brush-footed Butterflies | 2 | Jul (rising) |
| 44 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 2 | Aug (rising) |
| 45 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 1 | Sep (rising) |
| 46 | Tawny Emperor | Asterocampa clyton | Brush-footed Butterflies | 1 | Jul (rising) |
| 47 | Harvester | Feniseca tarquinius | Gossamer-winged Butterflies | 1 | Apr (past peak) |
| 48 | White M Hairstreak | Parrhasius m-album | Gossamer-winged Butterflies | 1 | Apr (past peak) |
| 49 | Peck's Skipper | Polites peckius | Skippers | 1 | Sep (rising) |
| 50 | Northern Broken-Dash | Polites egeremet | Skippers | 1 | Jun (peak) |