Butterflies Flying in North Dakota in August (42 Species)

42 butterflies were recorded flying in North Dakota in August in our iNaturalist sample; 19 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

May Jun Jul Aug Sep Oct

Top butterflies in August

Monarch226 obs.

Painted Lady134 obs.

Eastern Tiger Swallowtail87 obs.

Clouded Sulphur43 obs.

Aphrodite Fritillary40 obs.

Common Wood-Nymph39 obs.

Orange Sulphur37 obs.

Variegated Fritillary25 obs.

All butterflies flying in North Dakota in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	226	Aug (peak)
2	Painted Lady	Vanessa cardui	Brush-footed Butterflies	134	Aug (peak)
3	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	87	Aug (peak)
4	Melissa Blue	Plebejus melissa	Gossamer-winged Butterflies	82	Jun (past peak)
5	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	81	Aug (peak)
6	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	54	Jun (past peak)
7	Viceroy	Limenitis archippus	Brush-footed Butterflies	44	Aug (peak)
8	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	43	Aug (peak)
9	Aphrodite Fritillary	Argynnis aphrodite	Brush-footed Butterflies	40	Aug (peak)
10	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	39	Jul (past peak)
11	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	37	Aug (peak)
12	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	25	Jul (past peak)
13	Common Checkered-Skipper	Burnsius communis	Skippers	25	Sep (rising)
14	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	21	Jul (past peak)
15	Western White	Pontia occidentalis	Whites, Yellows, and Sulphurs	18	Aug (peak)
16	Common Sootywing	Pholisora catullus	Skippers	16	Aug (peak)
17	Least Skipper	Ancyloxypha numitor	Skippers	13	Aug (peak)
18	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	13	Aug (peak)
19	Checkered White	Pontia protodice	Whites, Yellows, and Sulphurs	13	Aug (peak)
20	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	12	Aug (peak)
21	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	10	Aug (peak)
22	Bronze Copper	Tharsalea hyllus	Gossamer-winged Butterflies	9	Aug (peak)
23	Eastern Comma	Polygonia comma	Brush-footed Butterflies	7	Apr (past peak)
24	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	5	Sep (rising)
25	Sagebrush Checkerspot	Chlosyne acastus	Brush-footed Butterflies	5	Jun (past peak)
26	Purplish Copper	Tharsalea helloides	Gossamer-winged Butterflies	5	Aug (peak)
27	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	5	Jul (past peak)
28	Common Buckeye	Junonia coenia	Brush-footed Butterflies	3	Aug (peak)
29	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	3	May (past peak)
30	Northern Crescent	Phyciodes cocyta	Brush-footed Butterflies	3	Jun (past peak)
31	Woodland Skipper	Ochlodes sylvanoides	Skippers	3	Aug (peak)
32	Lupine Blue	Icaricia lupini	Gossamer-winged Butterflies	3	Jul (past peak)
33	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	3	Jul (past peak)
34	Common Ringlet	Coenonympha california	Brush-footed Butterflies	2	Jun (past peak)
35	Gorgone Checkerspot	Chlosyne gorgone	Brush-footed Butterflies	2	Jun (past peak)
36	Coral Hairstreak	Satyrium titus	Gossamer-winged Butterflies	2	Jul (past peak)
37	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	2	Jun (past peak)
38	Gray Comma	Polygonia progne	Brush-footed Butterflies	1	Jul (past peak)
39	Two-tailed Swallowtail	Papilio multicaudata	Swallowtails and Parnassians	1	Jun (past peak)
40	Hackberry Emperor	Asterocampa celtis	Brush-footed Butterflies	1	Jul (past peak)
41	Peck's Skipper	Polites peckius	Skippers	1	Jul (past peak)
42	Huron Skipper	Atalopedes huron	Skippers	1	Sep (rising)