Butterflies Flying in Idaho in October (38 Species)

38 butterflies were recorded flying in Idaho in October in our iNaturalist sample; 2 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 October

California Tortoiseshell89 obs.

Western Pygmy-Blue73 obs.

Mylitta Crescent51 obs.

Purplish Copper44 obs.

Common Checkered-Skipper32 obs.

Painted Lady23 obs.

Clouded Sulphur21 obs.

Orange Sulphur21 obs.

Milbert's Tortoiseshell20 obs.

West Coast Lady19 obs.

Small White19 obs.

Monarch18 obs.

All butterflies flying in Idaho in October

#	Species	Scientific name	Family	Obs.	Peak in state
1	California Tortoiseshell	Nymphalis californica	Brush-footed Butterflies	89	Jul (past peak)
2	Western Pygmy-Blue	Brephidium exilis	Gossamer-winged Butterflies	73	Sep (past peak)
3	Mylitta Crescent	Phyciodes mylitta	Brush-footed Butterflies	51	Sep (past peak)
4	Purplish Copper	Tharsalea helloides	Gossamer-winged Butterflies	44	Sep (past peak)
5	Common Checkered-Skipper	Burnsius communis	Skippers	32	Sep (past peak)
6	Painted Lady	Vanessa cardui	Brush-footed Butterflies	23	Jul (past peak)
7	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	21	Sep (past peak)
8	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	21	Sep (past peak)
9	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	20	Jun (past peak)
10	West Coast Lady	Vanessa annabella	Brush-footed Butterflies	19	May (past peak)
11	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	19	Jul (past peak)
12	Monarch	Danaus plexippus	Brush-footed Butterflies	18	Aug (past peak)
13	Satyr Comma	Polygonia satyrus	Brush-footed Butterflies	16	Apr (past peak)
14	Checkered White	Pontia protodice	Whites, Yellows, and Sulphurs	16	Jul (past peak)
15	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	8	Jul (past peak)
16	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	7	Apr (past peak)
17	Northern White-Skipper	Heliopetes ericetorum	Skippers	7	Jun (past peak)
18	Western White	Pontia occidentalis	Whites, Yellows, and Sulphurs	7	Jul (past peak)
19	Juba Skipper	Hesperia juba	Skippers	6	May (past peak)
20	Two-tailed Swallowtail	Papilio multicaudata	Swallowtails and Parnassians	5	Jun (past peak)
21	American Lady	Vanessa virginiensis	Brush-footed Butterflies	4	Sep (past peak)
22	Hoary Comma	Polygonia gracilis	Brush-footed Butterflies	4	Aug (past peak)
23	Lorquin's Admiral	Limenitis lorquini	Brush-footed Butterflies	4	Jul (past peak)
24	Gray Buckeye	Junonia grisea	Brush-footed Butterflies	3	Oct (peak)
25	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	2	Jul (past peak)
26	Common Ringlet	Coenonympha california	Brush-footed Butterflies	2	Jun (past peak)
27	Pine White	Neophasia menapia	Whites, Yellows, and Sulphurs	2	Aug (past peak)
28	Field Skipper	Atalopedes campestris	Skippers	1	Aug (past peak)
29	Brown Elfin	Callophrys augustinus	Gossamer-winged Butterflies	1	May (past peak)
30	Viceroy	Limenitis archippus	Brush-footed Butterflies	1	Jul (past peak)
31	Marine Blue	Leptotes marina	Gossamer-winged Butterflies	1	Oct (peak)
32	Woodland Skipper	Ochlodes sylvanoides	Skippers	1	Aug (past peak)
33	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	1	Jul (past peak)
34	Green Comma	Polygonia faunus	Brush-footed Butterflies	1	Aug (past peak)
35	Field Crescent	Phyciodes pulchella	Brush-footed Butterflies	1	Jul (past peak)
36	American Branded Skipper	Hesperia colorado	Skippers	1	Aug (past peak)
37	Taxiles Skipper	Lon taxiles	Skippers	1	Jul (past peak)
38	Coronis Fritillary	Argynnis coronis	Brush-footed Butterflies	1	Jul (past peak)