Butterflies Flying in Indiana in October (51 Species)

51 butterflies were recorded flying in Indiana 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 Nov

Top butterflies in October

Painted Lady492 obs.

Common Buckeye458 obs.

Monarch391 obs.

Small White252 obs.

Fiery Skipper215 obs.

Variegated Fritillary156 obs.

Orange Sulphur132 obs.

Pearl Crescent109 obs.

Silver-spotted Skipper108 obs.

Eastern Comma103 obs.

Common Checkered-Skipper70 obs.

Black Swallowtail64 obs.

All butterflies flying in Indiana in October

#	Species	Scientific name	Family	Obs.	Peak in state
1	Painted Lady	Vanessa cardui	Brush-footed Butterflies	492	Sep (past peak)
2	Common Buckeye	Junonia coenia	Brush-footed Butterflies	458	Sep (past peak)
3	Monarch	Danaus plexippus	Brush-footed Butterflies	391	Aug (past peak)
4	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	252	Sep (past peak)
5	Fiery Skipper	Hylephila phyleus	Skippers	215	Sep (past peak)
6	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	156	Sep (past peak)
7	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	132	Sep (past peak)
8	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	109	Aug (past peak)
9	Silver-spotted Skipper	Epargyreus clarus	Skippers	108	Aug (past peak)
10	Eastern Comma	Polygonia comma	Brush-footed Butterflies	103	Aug (past peak)
11	Common Checkered-Skipper	Burnsius communis	Skippers	70	Sep (past peak)
12	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	64	Aug (past peak)
13	Huron Skipper	Atalopedes huron	Skippers	55	Sep (past peak)
14	Viceroy	Limenitis archippus	Brush-footed Butterflies	44	Sep (past peak)
15	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	35	Jun (past peak)
16	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	35	Aug (past peak)
17	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	32	Aug (past peak)
18	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	27	Aug (past peak)
19	Cloudless Sulphur	Phoebis sennae	Whites, Yellows, and Sulphurs	23	Sep (past peak)
20	Peck's Skipper	Polites peckius	Skippers	22	Sep (past peak)
21	American Lady	Vanessa virginiensis	Brush-footed Butterflies	19	May (past peak)
22	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	18	Jul (past peak)
23	Little Yellow	Eurema lisa	Whites, Yellows, and Sulphurs	15	Aug (past peak)
24	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	15	Jul (past peak)
25	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	14	Jul (past peak)
26	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	14	Sep (past peak)
27	Bronze Copper	Tharsalea hyllus	Gossamer-winged Butterflies	14	Jul (past peak)
28	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	11	Sep (past peak)
29	Ocola Skipper	Panoquina ocola	Skippers	11	Oct (peak)
30	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	10	Mar (past peak)
31	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	8	Aug (past peak)
32	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	8	Jun (past peak)
33	Dainty Sulphur	Nathalis iole	Whites, Yellows, and Sulphurs	6	Sep (past peak)
34	Tawny-edged Skipper	Polites themistocles	Skippers	6	Aug (past peak)
35	Checkered White	Pontia protodice	Whites, Yellows, and Sulphurs	6	Aug (past peak)
36	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	6	Jul (past peak)
37	Eastern Gemmed-Satyr	Cyllopsis gemma	Brush-footed Butterflies	6	Aug (past peak)
38	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	6	Jul (past peak)
39	Least Skipper	Ancyloxypha numitor	Skippers	4	Aug (past peak)
40	Southern Dogface	Zerene cesonia	Whites, Yellows, and Sulphurs	4	Sep (past peak)
41	American Snout	Libytheana carinenta	Brush-footed Butterflies	3	Jul (past peak)
42	Red-banded Hairstreak	Calycopis cecrops	Gossamer-winged Butterflies	3	Aug (past peak)
43	Gulf Fritillary	Dione vanillae	Brush-footed Butterflies	2	Sep (past peak)
44	Sleepy Orange	Eurema nicippe	Whites, Yellows, and Sulphurs	2	Aug (past peak)
45	Hackberry Emperor	Asterocampa celtis	Brush-footed Butterflies	2	Aug (past peak)
46	Funereal Duskywing	Erynnis funeralis	Skippers	1	Oct (peak)
47	Silvery Checkerspot	Chlosyne nycteis	Brush-footed Butterflies	1	Jul (past peak)
48	Long-tailed Skipper	Urbanus proteus	Skippers	1	Sep (past peak)
49	White M Hairstreak	Parrhasius m-album	Gossamer-winged Butterflies	1	Aug (past peak)
50	Zabulon Skipper	Lon zabulon	Skippers	1	Aug (past peak)