Butterflies Flying in Idaho in August (60 Species)

60 butterflies were recorded flying in Idaho in August in our iNaturalist sample; 10 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 August

Woodland Skipper517 obs.

Common Wood-Nymph172 obs.

Small White166 obs.

Monarch165 obs.

Great Spangled Fritillary115 obs.

California Tortoiseshell111 obs.

Purplish Copper102 obs.

Gray Hairstreak92 obs.

Lorquin's Admiral88 obs.

Green Comma87 obs.

Small Wood-Nymph85 obs.

Mylitta Crescent79 obs.

All butterflies flying in Idaho in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Woodland Skipper	Ochlodes sylvanoides	Skippers	517	Aug (peak)
2	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	172	Jul (past peak)
3	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	166	Jul (past peak)
4	Monarch	Danaus plexippus	Brush-footed Butterflies	165	Aug (peak)
5	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	115	Jul (past peak)
6	California Tortoiseshell	Nymphalis californica	Brush-footed Butterflies	111	Jul (past peak)
7	Purplish Copper	Tharsalea helloides	Gossamer-winged Butterflies	102	Sep (rising)
8	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	92	Jul (past peak)
9	Lorquin's Admiral	Limenitis lorquini	Brush-footed Butterflies	88	Jul (past peak)
10	Green Comma	Polygonia faunus	Brush-footed Butterflies	87	Aug (peak)
11	Small Wood-Nymph	Cercyonis oetus	Brush-footed Butterflies	85	Jul (past peak)
12	Mylitta Crescent	Phyciodes mylitta	Brush-footed Butterflies	79	Sep (rising)
13	Pine White	Neophasia menapia	Whites, Yellows, and Sulphurs	76	Aug (peak)
14	Mormon Fritillary	Argynnis mormonia	Brush-footed Butterflies	75	Aug (peak)
15	Viceroy	Limenitis archippus	Brush-footed Butterflies	72	Jul (past peak)
16	Common Checkered-Skipper	Burnsius communis	Skippers	69	Sep (rising)
17	Painted Lady	Vanessa cardui	Brush-footed Butterflies	65	Jul (past peak)
18	Hoary Comma	Polygonia gracilis	Brush-footed Butterflies	64	Aug (peak)
19	Sandhill Skipper	Polites sabuleti	Skippers	63	Aug (peak)
20	American Branded Skipper	Hesperia colorado	Skippers	62	Aug (peak)
21	Becker's White	Pontia beckerii	Whites, Yellows, and Sulphurs	62	Jul (past peak)
22	Field Crescent	Phyciodes pulchella	Brush-footed Butterflies	61	Jul (past peak)
23	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	58	Apr (past peak)
24	Western Pygmy-Blue	Brephidium exilis	Gossamer-winged Butterflies	57	Sep (rising)
25	Western White	Pontia occidentalis	Whites, Yellows, and Sulphurs	57	Jul (past peak)
26	Hydaspe Fritillary	Argynnis hydaspe	Brush-footed Butterflies	50	Jul (past peak)
27	Weidemeyer's Admiral	Limenitis weidemeyerii	Brush-footed Butterflies	47	Jul (past peak)
28	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	47	Jun (past peak)
29	Two-tailed Swallowtail	Papilio multicaudata	Swallowtails and Parnassians	46	Jun (past peak)
30	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	41	Sep (rising)
31	Satyr Comma	Polygonia satyrus	Brush-footed Butterflies	40	Apr (past peak)
32	Common Ringlet	Coenonympha california	Brush-footed Butterflies	38	Jun (past peak)
33	Hedgerow Hairstreak	Satyrium saepium	Gossamer-winged Butterflies	37	Aug (peak)
34	Checkered White	Pontia protodice	Whites, Yellows, and Sulphurs	36	Jul (past peak)
35	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	30	Sep (rising)
36	Essex Skipper	Thymelicus lineola	Skippers	29	Jul (past peak)
37	Margined White	Pieris marginalis	Whites, Yellows, and Sulphurs	28	Aug (peak)
38	Melissa Blue	Plebejus melissa	Gossamer-winged Butterflies	28	Jul (past peak)
39	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	22	Jul (past peak)
40	Blue Copper	Tharsalea heteronea	Gossamer-winged Butterflies	22	Jul (past peak)
41	Western Tiger Swallowtail	Papilio rutulus	Swallowtails and Parnassians	20	Jun (past peak)
42	Juba Skipper	Hesperia juba	Skippers	20	May (past peak)
43	Coronis Fritillary	Argynnis coronis	Brush-footed Butterflies	20	Jul (past peak)
44	Callippe Fritillary	Argynnis callippe	Brush-footed Butterflies	17	Jul (past peak)
45	West Coast Lady	Vanessa annabella	Brush-footed Butterflies	16	May (past peak)
46	Anise Swallowtail	Papilio zelicaon	Swallowtails and Parnassians	15	Jun (past peak)
47	Common Sootywing	Pholisora catullus	Skippers	11	May (past peak)
48	Rocky Mountain Parnassian	Parnassius smintheus	Swallowtails and Parnassians	11	Jul (past peak)
49	Boisduval's Blue	Icaricia icarioides	Gossamer-winged Butterflies	11	Jun (past peak)
50	Northern White-Skipper	Heliopetes ericetorum	Skippers	9	Jun (past peak)