Butterflies Flying in Idaho in May (59 Species)

59 butterflies were recorded flying in Idaho in May in our iNaturalist sample; 9 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Mar Apr May Jun Jul Aug Sep Oct

Top butterflies in May

Painted Lady163 obs.

Echo Azure157 obs.

Juba Skipper146 obs.

California Tortoiseshell133 obs.

Common Ringlet124 obs.

Pale Swallowtail96 obs.

Mourning Cloak95 obs.

Boisduval's Blue86 obs.

Anise Swallowtail84 obs.

Small White80 obs.

Common Checkered-Skipper74 obs.

Western Tiger Swallowtail68 obs.

All butterflies flying in Idaho in May

#	Species	Scientific name	Family	Obs.	Peak in state
1	Painted Lady	Vanessa cardui	Brush-footed Butterflies	163	Jul (rising)
2	Echo Azure	Celastrina echo	Gossamer-winged Butterflies	157	May (peak)
3	Juba Skipper	Hesperia juba	Skippers	146	May (peak)
4	California Tortoiseshell	Nymphalis californica	Brush-footed Butterflies	133	Jul (rising)
5	Common Ringlet	Coenonympha california	Brush-footed Butterflies	124	Jun (rising)
6	Pale Swallowtail	Papilio eurymedon	Swallowtails and Parnassians	96	Jun (rising)
7	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	95	Apr (past peak)
8	Boisduval's Blue	Icaricia icarioides	Gossamer-winged Butterflies	86	Jun (rising)
9	Anise Swallowtail	Papilio zelicaon	Swallowtails and Parnassians	84	Jun (rising)
10	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	80	Jul (rising)
11	Common Checkered-Skipper	Burnsius communis	Skippers	74	Sep (rising)
12	Western Tiger Swallowtail	Papilio rutulus	Swallowtails and Parnassians	68	Jun (rising)
13	Western Pine Elfin	Callophrys eryphon	Gossamer-winged Butterflies	57	May (peak)
14	Mylitta Crescent	Phyciodes mylitta	Brush-footed Butterflies	55	Sep (rising)
15	Lorquin's Admiral	Limenitis lorquini	Brush-footed Butterflies	53	Jul (rising)
16	Silvery Blue	Glaucopsyche lygdamus	Gossamer-winged Butterflies	50	Jun (rising)
17	Green Comma	Polygonia faunus	Brush-footed Butterflies	49	Aug (rising)
18	Satyr Comma	Polygonia satyrus	Brush-footed Butterflies	45	Apr (past peak)
19	Brown Elfin	Callophrys augustinus	Gossamer-winged Butterflies	42	May (peak)
20	West Coast Lady	Vanessa annabella	Brush-footed Butterflies	37	May (peak)
21	Field Crescent	Phyciodes pulchella	Brush-footed Butterflies	33	Jul (rising)
22	Common Sootywing	Pholisora catullus	Skippers	30	May (peak)
23	Two-tailed Swallowtail	Papilio multicaudata	Swallowtails and Parnassians	30	Jun (rising)
24	Sandhill Skipper	Polites sabuleti	Skippers	29	Aug (rising)
25	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	29	Jun (rising)
26	Purplish Copper	Tharsalea helloides	Gossamer-winged Butterflies	29	Sep (rising)
27	Becker's White	Pontia beckerii	Whites, Yellows, and Sulphurs	24	Jul (rising)
28	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	20	Jul (rising)
29	Snowberry Checkerspot	Euphydryas colon	Brush-footed Butterflies	20	Jun (rising)
30	Juniper Hairstreak	Callophrys gryneus	Gossamer-winged Butterflies	20	Jun (rising)
31	Greenish Blue	Icaricia saepiolus	Gossamer-winged Butterflies	20	Jun (rising)
32	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	17	Sep (rising)
33	Western Tailed-blue	Everes amyntula	Gossamer-winged Butterflies	17	May (peak)
34	Hoary Comma	Polygonia gracilis	Brush-footed Butterflies	15	Aug (rising)
35	Margined White	Pieris marginalis	Whites, Yellows, and Sulphurs	15	Aug (rising)
36	Viceroy	Limenitis archippus	Brush-footed Butterflies	14	Jul (rising)
37	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	13	Jul (rising)
38	Sagebrush Checkerspot	Chlosyne acastus	Brush-footed Butterflies	13	May (peak)
39	Dreamy Duskywing	Erynnis icelus	Skippers	12	Jun (rising)
40	Northern White-Skipper	Heliopetes ericetorum	Skippers	12	Jun (rising)
41	Melissa Blue	Plebejus melissa	Gossamer-winged Butterflies	11	Jul (rising)
42	Western White	Pontia occidentalis	Whites, Yellows, and Sulphurs	11	Jul (rising)
43	Lupine Blue	Icaricia lupini	Gossamer-winged Butterflies	9	Jun (rising)
44	Northern Cloudywing	Cecropterus pylades	Skippers	9	May (peak)
45	Callippe Fritillary	Argynnis callippe	Brush-footed Butterflies	8	Jul (rising)
46	Edith's Checkerspot	Euphydryas editha	Brush-footed Butterflies	7	Jul (rising)
47	Western Pygmy-Blue	Brephidium exilis	Gossamer-winged Butterflies	6	Sep (rising)
48	Northern Checkerspot	Chlosyne palla	Brush-footed Butterflies	6	Jul (rising)
49	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	6	Sep (rising)
50	Coronis Fritillary	Argynnis coronis	Brush-footed Butterflies	5	Jul (rising)