Butterflies Flying in Wisconsin in August (60 Species)

60 butterflies were recorded flying in Wisconsin in August in our iNaturalist sample; 17 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Apr May Jun Jul Aug Sep Oct

Top butterflies in August

Monarch3,074 obs.

Eastern Tiger Swallowtail1,244 obs.

Silver-spotted Skipper1,148 obs.

Small White716 obs.

Black Swallowtail640 obs.

Eastern Giant Swallowtail604 obs.

Peck's Skipper528 obs.

Great Spangled Fritillary505 obs.

Eastern Tailed-Blue491 obs.

Viceroy467 obs.

Red Admiral436 obs.

Least Skipper415 obs.

All butterflies flying in Wisconsin in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	3,074	Jul (past peak)
2	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	1,244	Aug (peak)
3	Silver-spotted Skipper	Epargyreus clarus	Skippers	1,148	Aug (peak)
4	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	716	Aug (peak)
5	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	640	Aug (peak)
6	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	604	Aug (peak)
7	Peck's Skipper	Polites peckius	Skippers	528	Aug (peak)
8	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	505	Jun (past peak)
9	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	491	Aug (peak)
10	Viceroy	Limenitis archippus	Brush-footed Butterflies	467	Aug (peak)
11	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	436	Jul (past peak)
12	Least Skipper	Ancyloxypha numitor	Skippers	415	Aug (peak)
13	Painted Lady	Vanessa cardui	Brush-footed Butterflies	339	Aug (peak)
14	Fiery Skipper	Hylephila phyleus	Skippers	266	Sep (rising)
15	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	260	Jul (past peak)
16	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	259	Jun (past peak)
17	Common Buckeye	Junonia coenia	Brush-footed Butterflies	226	Jul (past peak)
18	Hackberry Emperor	Asterocampa celtis	Brush-footed Butterflies	183	Jun (past peak)
19	Eastern Comma	Polygonia comma	Brush-footed Butterflies	170	Jul (past peak)
20	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	154	Jul (past peak)
21	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	144	Sep (rising)
22	American Lady	Vanessa virginiensis	Brush-footed Butterflies	143	May (past peak)
23	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	132	Aug (peak)
24	Northern Crescent	Phyciodes cocyta	Brush-footed Butterflies	130	Jun (past peak)
25	Karner Blue	Plebejus samuelis	Gossamer-winged Butterflies	125	Jul (past peak)
26	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	124	Sep (rising)
27	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	110	Jul (past peak)
28	Dun Skipper	Euphyes vestris	Skippers	96	Jul (past peak)
29	Huron Skipper	Atalopedes huron	Skippers	91	Oct (rising)
30	Baltimore Checkerspot	Euphydryas phaeton	Brush-footed Butterflies	90	Jun (past peak)
31	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	89	Aug (peak)
32	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	87	Jun (past peak)
33	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	86	Jul (past peak)
34	Bronze Copper	Tharsalea hyllus	Gossamer-winged Butterflies	86	Aug (peak)
35	Aphrodite Fritillary	Argynnis aphrodite	Brush-footed Butterflies	65	Jul (past peak)
36	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	57	Jul (past peak)
37	Common Sootywing	Pholisora catullus	Skippers	56	Aug (peak)
38	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	52	Jun (past peak)
39	Tawny-edged Skipper	Polites themistocles	Skippers	49	Aug (peak)
40	Gray Comma	Polygonia progne	Brush-footed Butterflies	49	Jul (past peak)
41	American Snout	Libytheana carinenta	Brush-footed Butterflies	45	Jul (past peak)
42	Harvester	Feniseca tarquinius	Gossamer-winged Butterflies	43	Jul (past peak)
43	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	42	Jul (past peak)
44	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	34	Aug (peak)
45	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	27	Jul (past peak)
46	Tawny Emperor	Asterocampa clyton	Brush-footed Butterflies	25	Jul (past peak)
47	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	17	Aug (peak)
48	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	16	Jul (past peak)
49	Broad-winged Skipper	Poanes viator	Skippers	15	Jul (past peak)
50	Common Checkered-Skipper	Burnsius communis	Skippers	15	Oct (rising)