27 butterflies were recorded flying in New Hampshire in April in our iNaturalist sample; 1 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in April
Mourning Cloak
American Lady
Eastern Comma
Green Comma
Small White
Eastern Pine Elfin
Brown Elfin
Juvenal's Duskywing
Red Admiral
Henry's Elfin
Gray Hairstreak
Spring Azure
All butterflies flying in New Hampshire in April
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 266 | Apr (peak) |
| 2 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 59 | Jul (rising) |
| 3 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 43 | Jul (rising) |
| 4 | Green Comma | Polygonia faunus | Brush-footed Butterflies | 42 | Aug (rising) |
| 5 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 36 | Aug (rising) |
| 6 | Eastern Pine Elfin | Callophrys niphon | Gossamer-winged Butterflies | 28 | May (rising) |
| 7 | Brown Elfin | Callophrys augustinus | Gossamer-winged Butterflies | 21 | May (rising) |
| 8 | Juvenal's Duskywing | Erynnis juvenalis | Skippers | 14 | May (rising) |
| 9 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 9 | May (rising) |
| 10 | Henry's Elfin | Callophrys henrici | Gossamer-winged Butterflies | 4 | May (rising) |
| 11 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 3 | Jul (rising) |
| 12 | Spring Azure | Celastrina ladon | Gossamer-winged Butterflies | 3 | May (rising) |
| 13 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 2 | Aug (rising) |
| 14 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 2 | Sep (rising) |
| 15 | Gray Comma | Polygonia progne | Brush-footed Butterflies | 2 | Jul (rising) |
| 16 | American Copper | Lycaena hypophlaeas | Gossamer-winged Butterflies | 2 | Jul (rising) |
| 17 | Silvery Blue | Glaucopsyche lygdamus | Gossamer-winged Butterflies | 1 | May (rising) |
| 18 | Canadian Tiger Swallowtail | Papilio canadensis | Swallowtails and Parnassians | 1 | Jun (rising) |
| 19 | Sleepy Duskywing | Erynnis brizo | Skippers | 1 | May (rising) |
| 20 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 1 | Jul (rising) |
| 21 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 1 | Jul (rising) |
| 22 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 1 | Aug (rising) |
| 23 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 1 | Jun (rising) |
| 24 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 1 | Jun (rising) |
| 25 | Milbert's Tortoiseshell | Aglais milberti | Brush-footed Butterflies | 1 | Aug (rising) |
| 26 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 1 | Jul (rising) |
| 27 | Atlantis Fritillary | Argynnis atlantis | Brush-footed Butterflies | 1 | Jul (rising) |