Butterflies Flying in Washington in July (60 Species)

60 butterflies were recorded flying in Washington in July in our iNaturalist sample; 23 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 July

Western Tiger Swallowtail1,204 obs.

Lorquin's Admiral1,028 obs.

Snowberry Checkerspot791 obs.

Small White694 obs.

Clodius Parnassian613 obs.

Woodland Skipper559 obs.

Edith's Checkerspot549 obs.

California Tortoiseshell420 obs.

Pacific Fritillary401 obs.

Echo Azure379 obs.

Painted Lady334 obs.

Boisduval's Blue334 obs.

All butterflies flying in Washington in July

#	Species	Scientific name	Family	Obs.	Peak in state
1	Western Tiger Swallowtail	Papilio rutulus	Swallowtails and Parnassians	1,204	Jun (past peak)
2	Lorquin's Admiral	Limenitis lorquini	Brush-footed Butterflies	1,028	Jun (past peak)
3	Snowberry Checkerspot	Euphydryas colon	Brush-footed Butterflies	791	Jul (peak)
4	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	694	Jul (peak)
5	Clodius Parnassian	Parnassius clodius	Swallowtails and Parnassians	613	Jul (peak)
6	Woodland Skipper	Ochlodes sylvanoides	Skippers	559	Aug (rising)
7	Edith's Checkerspot	Euphydryas editha	Brush-footed Butterflies	549	Jul (peak)
8	California Tortoiseshell	Nymphalis californica	Brush-footed Butterflies	420	Jul (peak)
9	Pacific Fritillary	Boloria epithore	Brush-footed Butterflies	401	Jul (peak)
10	Echo Azure	Celastrina echo	Gossamer-winged Butterflies	379	Apr (past peak)
11	Painted Lady	Vanessa cardui	Brush-footed Butterflies	334	May (past peak)
12	Boisduval's Blue	Icaricia icarioides	Gossamer-winged Butterflies	334	May (past peak)
13	Hydaspe Fritillary	Argynnis hydaspe	Brush-footed Butterflies	322	Aug (rising)
14	Field Crescent	Phyciodes pulchella	Brush-footed Butterflies	316	Jul (peak)
15	Pale Swallowtail	Papilio eurymedon	Swallowtails and Parnassians	302	Jun (past peak)
16	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	287	Jul (peak)
17	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	278	Jul (peak)
18	Anna's Blue	Plebejus anna	Gossamer-winged Butterflies	274	Aug (rising)
19	Anise Swallowtail	Papilio zelicaon	Swallowtails and Parnassians	262	Jul (peak)
20	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	234	Aug (rising)
21	Margined White	Pieris marginalis	Whites, Yellows, and Sulphurs	232	Jul (peak)
22	Satyr Comma	Polygonia satyrus	Brush-footed Butterflies	197	Apr (past peak)
23	Mylitta Crescent	Phyciodes mylitta	Brush-footed Butterflies	178	Jul (peak)
24	Coronis Fritillary	Argynnis coronis	Brush-footed Butterflies	174	Jul (peak)
25	Purplish Copper	Tharsalea helloides	Gossamer-winged Butterflies	155	Aug (rising)
26	Silvery Blue	Glaucopsyche lygdamus	Gossamer-winged Butterflies	131	May (past peak)
27	Field Skipper	Atalopedes campestris	Skippers	127	Sep (rising)
28	Mormon Fritillary	Argynnis mormonia	Brush-footed Butterflies	120	Aug (rising)
29	Western White	Pontia occidentalis	Whites, Yellows, and Sulphurs	114	Jul (peak)
30	Two-tailed Swallowtail	Papilio multicaudata	Swallowtails and Parnassians	113	Jul (peak)
31	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	105	Jul (peak)
32	American Branded Skipper	Hesperia colorado	Skippers	101	Aug (rising)
33	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	100	Jul (peak)
34	Rocky Mountain Parnassian	Parnassius smintheus	Swallowtails and Parnassians	95	Aug (rising)
35	Blue Copper	Tharsalea heteronea	Gossamer-winged Butterflies	95	Jun (past peak)
36	Becker's White	Pontia beckerii	Whites, Yellows, and Sulphurs	87	Jul (peak)
37	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	83	Sep (rising)
38	Greenish Blue	Icaricia saepiolus	Gossamer-winged Butterflies	79	Jun (past peak)
39	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	77	Apr (past peak)
40	Common Checkered-Skipper	Burnsius communis	Skippers	70	Jul (peak)
41	Hedgerow Hairstreak	Satyrium saepium	Gossamer-winged Butterflies	66	Jul (peak)
42	Hoary Comma	Polygonia gracilis	Brush-footed Butterflies	65	Aug (rising)
43	Small Wood-Nymph	Cercyonis oetus	Brush-footed Butterflies	64	Jul (peak)
44	Dun Skipper	Euphyes vestris	Skippers	63	Jul (peak)
45	Green Comma	Polygonia faunus	Brush-footed Butterflies	61	Sep (rising)
46	Pine White	Neophasia menapia	Whites, Yellows, and Sulphurs	50	Aug (rising)
47	Essex Skipper	Thymelicus lineola	Skippers	45	Jul (peak)
48	Melissa Blue	Plebejus melissa	Gossamer-winged Butterflies	43	Jun (past peak)
49	Lupine Blue	Icaricia lupini	Gossamer-winged Butterflies	39	Jun (past peak)
50	Common Ringlet	Coenonympha california	Brush-footed Butterflies	38	May (past peak)