Butterflies Flying in New York in April (43 Species)

43 butterflies were recorded flying in New York in April in our iNaturalist sample; 3 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Apr May Jun Jul Aug Sep Oct Nov

Top butterflies in April

Mourning Cloak623 obs.

American Lady406 obs.

Small White406 obs.

Red Admiral319 obs.

Eastern Comma188 obs.

Spring Azure55 obs.

Juvenal's Duskywing51 obs.

Painted Lady48 obs.

Eastern Pine Elfin39 obs.

Eastern Tiger Swallowtail37 obs.

Brown Elfin36 obs.

Eastern Tailed-Blue31 obs.

All butterflies flying in New York in April

#	Species	Scientific name	Family	Obs.	Peak in state
1	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	623	Apr (peak)
2	American Lady	Vanessa virginiensis	Brush-footed Butterflies	406	Jul (rising)
3	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	406	Jul (rising)
4	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	319	Jul (rising)
5	Eastern Comma	Polygonia comma	Brush-footed Butterflies	188	Jul (rising)
6	Spring Azure	Celastrina ladon	Gossamer-winged Butterflies	55	Apr (peak)
7	Juvenal's Duskywing	Erynnis juvenalis	Skippers	51	May (rising)
8	Painted Lady	Vanessa cardui	Brush-footed Butterflies	48	Sep (rising)
9	Eastern Pine Elfin	Callophrys niphon	Gossamer-winged Butterflies	39	May (rising)
10	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	37	Jul (rising)
11	Brown Elfin	Callophrys augustinus	Gossamer-winged Butterflies	36	May (rising)
12	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	31	Aug (rising)
13	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	30	Jul (rising)
14	Falcate Orangetip	Anthocharis midea	Whites, Yellows, and Sulphurs	25	Apr (peak)
15	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	24	Aug (rising)
16	Monarch	Danaus plexippus	Brush-footed Butterflies	23	Aug (rising)
17	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	19	Aug (rising)
18	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	18	Jul (rising)
19	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	13	Sep (rising)
20	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	12	Jul (rising)
21	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	11	Jul (rising)
22	Gray Comma	Polygonia progne	Brush-footed Butterflies	10	Jul (rising)
23	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	9	Aug (rising)
24	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	9	Sep (rising)
25	Silver-spotted Skipper	Epargyreus clarus	Skippers	8	Aug (rising)
26	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	7	Aug (rising)
27	Green Comma	Polygonia faunus	Brush-footed Butterflies	7	Aug (rising)
28	Juniper Hairstreak	Callophrys gryneus	Gossamer-winged Butterflies	7	May (rising)
29	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	6	Jul (rising)
30	White M Hairstreak	Parrhasius m-album	Gossamer-winged Butterflies	6	Sep (rising)
31	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	3	Jun (rising)
32	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	3	Jul (rising)
33	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	3	Aug (rising)
34	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	3	Jul (rising)
35	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	2	Jul (rising)
36	Baltimore Checkerspot	Euphydryas phaeton	Brush-footed Butterflies	2	Jul (rising)
37	Henry's Elfin	Callophrys henrici	Gossamer-winged Butterflies	2	May (rising)
38	Peck's Skipper	Polites peckius	Skippers	2	Aug (rising)
39	Common Checkered-Skipper	Burnsius communis	Skippers	2	Sep (rising)
40	Horace's Duskywing	Erynnis horatius	Skippers	1	Jul (rising)
41	Canadian Tiger Swallowtail	Papilio canadensis	Swallowtails and Parnassians	1	Jun (rising)
42	Dreamy Duskywing	Erynnis icelus	Skippers	1	May (rising)
43	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	1	Jul (rising)