60 butterflies were recorded flying in Massachusetts in June in our iNaturalist sample; 11 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

Little Wood Satyr

Zabulon Skipper

Red-spotted Admiral

Silver-spotted Skipper

Monarch

Peck's Skipper

American Lady

Baltimore Checkerspot
Common Ringlet

Red Admiral

Spicebush Swallowtail
All butterflies flying in Massachusetts in June
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 740 | Jul (rising) |
| 2 | Little Wood Satyr | Megisto cymela | Brush-footed Butterflies | 709 | Jun (peak) |
| 3 | Zabulon Skipper | Lon zabulon | Skippers | 568 | Aug (rising) |
| 4 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 526 | Jun (peak) |
| 5 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 505 | Jul (rising) |
| 6 | Monarch | Danaus plexippus | Brush-footed Butterflies | 503 | Aug (rising) |
| 7 | Peck's Skipper | Polites peckius | Skippers | 434 | Aug (rising) |
| 8 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 430 | Jul (rising) |
| 9 | Baltimore Checkerspot | Euphydryas phaeton | Brush-footed Butterflies | 367 | Jun (peak) |
| 10 | Common Ringlet | Coenonympha california | Brush-footed Butterflies | 359 | Jun (peak) |
| 11 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 349 | Jul (rising) |
| 12 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 274 | Jul (rising) |
| 13 | Long Dash | Limochores mystic | Skippers | 236 | Jun (peak) |
| 14 | Least Skipper | Ancyloxypha numitor | Skippers | 232 | Aug (rising) |
| 15 | Essex Skipper | Thymelicus lineola | Skippers | 223 | Jun (peak) |
| 16 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 218 | Apr (past peak) |
| 17 | American Copper | Lycaena hypophlaeas | Gossamer-winged Butterflies | 218 | Jul (rising) |
| 18 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 216 | Aug (rising) |
| 19 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 193 | Jul (rising) |
| 20 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 177 | Jul (rising) |
| 21 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 169 | Jul (rising) |
| 22 | Hobomok Skipper | Lon hobomok | Skippers | 164 | Jun (peak) |
| 23 | Banded Hairstreak | Satyrium calanus | Gossamer-winged Butterflies | 156 | Jul (rising) |
| 24 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 129 | Sep (rising) |
| 25 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 129 | Jul (rising) |
| 26 | Great Spangled Fritillary | Argynnis cybele | Brush-footed Butterflies | 123 | Jul (rising) |
| 27 | Canadian Tiger Swallowtail | Papilio canadensis | Swallowtails and Parnassians | 73 | Jun (peak) |
| 28 | Southern Cloudywing | Cecropterus bathyllus | Skippers | 73 | Jun (peak) |
| 29 | Little Glassywing | Vernia verna | Skippers | 72 | Jul (rising) |
| 30 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 71 | Jul (rising) |
| 31 | Appalachian Brown | Lethe appalachia | Brush-footed Butterflies | 69 | Jul (rising) |
| 32 | Juvenal's Duskywing | Erynnis juvenalis | Skippers | 61 | May (past peak) |
| 33 | Tawny-edged Skipper | Polites themistocles | Skippers | 57 | Aug (rising) |
| 34 | American Silver-bordered Fritillary | Boloria myrina | Brush-footed Butterflies | 45 | Jul (rising) |
| 35 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 44 | Aug (rising) |
| 36 | Northern Cloudywing | Cecropterus pylades | Skippers | 43 | Jun (peak) |
| 37 | Hoary Edge | Cecropterus lyciades | Skippers | 43 | Jun (peak) |
| 38 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 41 | Jul (rising) |
| 39 | Bronze Copper | Tharsalea hyllus | Gossamer-winged Butterflies | 41 | Sep (rising) |
| 40 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 39 | Aug (rising) |
| 41 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 38 | Sep (rising) |
| 42 | Wild Indigo Duskywing | Erynnis baptisiae | Skippers | 34 | Jul (rising) |
| 43 | Delaware Skipper | Anatrytone logan | Skippers | 33 | Jul (rising) |
| 44 | Eastern Pine Elfin | Callophrys niphon | Gossamer-winged Butterflies | 33 | May (past peak) |
| 45 | Harvester | Feniseca tarquinius | Gossamer-winged Butterflies | 29 | Aug (rising) |
| 46 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 28 | Sep (rising) |
| 47 | Silvery Blue | Glaucopsyche lygdamus | Gossamer-winged Butterflies | 24 | May (past peak) |
| 48 | Coral Hairstreak | Satyrium titus | Gossamer-winged Butterflies | 24 | Jul (rising) |
| 49 | Northern Broken-Dash | Polites egeremet | Skippers | 20 | Jul (rising) |
| 50 | Dun Skipper | Euphyes vestris | Skippers | 18 | Jul (rising) |