Butterflies Flying in Vermont in October (34 Species)

34 butterflies were recorded flying in Vermont in October in our iNaturalist sample; 1 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 October

Monarch443 obs.

Clouded Sulphur216 obs.

Small White104 obs.

Painted Lady87 obs.

Eastern Comma70 obs.

American Copper47 obs.

Orange Sulphur43 obs.

Mourning Cloak40 obs.

Milbert's Tortoiseshell40 obs.

American Lady35 obs.

Red Admiral22 obs.

Viceroy17 obs.

All butterflies flying in Vermont in October

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	443	Aug (past peak)
2	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	216	Sep (past peak)
3	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	104	Aug (past peak)
4	Painted Lady	Vanessa cardui	Brush-footed Butterflies	87	Sep (past peak)
5	Eastern Comma	Polygonia comma	Brush-footed Butterflies	70	Jul (past peak)
6	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	47	Jun (past peak)
7	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	43	Aug (past peak)
8	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	40	Apr (past peak)
9	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	40	Jul (past peak)
10	American Lady	Vanessa virginiensis	Brush-footed Butterflies	35	Jul (past peak)
11	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	22	Jul (past peak)
12	Viceroy	Limenitis archippus	Brush-footed Butterflies	17	Aug (past peak)
13	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	11	Aug (past peak)
14	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	11	Aug (past peak)
15	Bronze Copper	Tharsalea hyllus	Gossamer-winged Butterflies	11	Jun (past peak)
16	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	10	Jul (past peak)
17	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	6	Jul (past peak)
18	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	5	Jul (past peak)
19	Peck's Skipper	Polites peckius	Skippers	4	Aug (past peak)
20	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	3	Jul (past peak)
21	Least Skipper	Ancyloxypha numitor	Skippers	3	Aug (past peak)
22	Silver-spotted Skipper	Epargyreus clarus	Skippers	3	Jul (past peak)
23	Common Buckeye	Junonia coenia	Brush-footed Butterflies	2	Aug (past peak)
24	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	1	Jul (past peak)
25	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	1	Aug (past peak)
26	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	1	Jul (past peak)
27	Gray Comma	Polygonia progne	Brush-footed Butterflies	1	Jul (past peak)
28	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	1	Jul (past peak)
29	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	1	Jun (past peak)
30	Common Ringlet	Coenonympha california	Brush-footed Butterflies	1	Jun (past peak)
31	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	1	Jul (past peak)
32	Common Checkered-Skipper	Burnsius communis	Skippers	1	Oct (peak)
33	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	1	Jun (past peak)
34	Aphrodite Fritillary	Argynnis aphrodite	Brush-footed Butterflies	1	Jul (past peak)