28 butterflies were recorded flying in Colorado in November in our iNaturalist sample; 0 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in November
Dainty Sulphur
Orange Sulphur
Monarch
Western Pygmy-Blue
Checkered White
Painted Lady
Clouded Sulphur
Common Checkered-Skipper
Purplish Copper
Red Admiral
Marine Blue
Two-tailed Swallowtail
All butterflies flying in Colorado in November
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Dainty Sulphur | Nathalis iole | Whites, Yellows, and Sulphurs | 59 | Oct (past peak) |
| 2 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 34 | Jul (past peak) |
| 3 | Monarch | Danaus plexippus | Brush-footed Butterflies | 22 | Sep (past peak) |
| 4 | Western Pygmy-Blue | Brephidium exilis | Gossamer-winged Butterflies | 19 | Sep (past peak) |
| 5 | Checkered White | Pontia protodice | Whites, Yellows, and Sulphurs | 15 | Jul (past peak) |
| 6 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 12 | Sep (past peak) |
| 7 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 10 | Sep (past peak) |
| 8 | Common Checkered-Skipper | Burnsius communis | Skippers | 9 | Aug (past peak) |
| 9 | Purplish Copper | Tharsalea helloides | Gossamer-winged Butterflies | 8 | Sep (past peak) |
| 10 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 5 | Jun (past peak) |
| 11 | Marine Blue | Leptotes marina | Gossamer-winged Butterflies | 4 | Sep (past peak) |
| 12 | Two-tailed Swallowtail | Papilio multicaudata | Swallowtails and Parnassians | 4 | Jul (past peak) |
| 13 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 3 | Oct (past peak) |
| 14 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 3 | Oct (past peak) |
| 15 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 3 | Jul (past peak) |
| 16 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 2 | Aug (past peak) |
| 17 | Black Swallowtail | Papilio polyxenes | Swallowtails and Parnassians | 2 | Jul (past peak) |
| 18 | Reakirt's Blue | Echinargus isola | Gossamer-winged Butterflies | 2 | Jul (past peak) |
| 19 | Gray Buckeye | Junonia grisea | Brush-footed Butterflies | 2 | Oct (past peak) |
| 20 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 1 | Jul (past peak) |
| 21 | Satyr Comma | Polygonia satyrus | Brush-footed Butterflies | 1 | Jul (past peak) |
| 22 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 1 | Apr (past peak) |
| 23 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 1 | Jul (past peak) |
| 24 | Milbert's Tortoiseshell | Aglais milberti | Brush-footed Butterflies | 1 | Jul (past peak) |
| 25 | Goatweed Leafwing | Anaea andria | Brush-footed Butterflies | 1 | Aug (past peak) |
| 26 | Pine White | Neophasia menapia | Whites, Yellows, and Sulphurs | 1 | Aug (past peak) |
| 27 | Field Crescent | Phyciodes pulchella | Brush-footed Butterflies | 1 | May (past peak) |
| 28 | Huron Skipper | Atalopedes huron | Skippers | 1 | Sep (past peak) |