Butterflies Flying in West Virginia in September (60 Species)

60 butterflies were recorded flying in West Virginia in September in our iNaturalist sample; 7 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 September

Monarch492 obs.

Huron Skipper244 obs.

Eastern Tiger Swallowtail173 obs.

Great Spangled Fritillary124 obs.

Pearl Crescent122 obs.

Pipevine Swallowtail88 obs.

Northern Pearly-eye72 obs.

Meadow Fritillary70 obs.

Question Mark69 obs.

Eastern Comma68 obs.

Small White62 obs.

Red-spotted Admiral61 obs.

All butterflies flying in West Virginia in September

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	492	Aug (past peak)
2	Huron Skipper	Atalopedes huron	Skippers	244	Sep (peak)
3	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	173	Aug (past peak)
4	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	124	Jun (past peak)
5	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	122	Aug (past peak)
6	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	88	Jul (past peak)
7	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	72	Aug (past peak)
8	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	70	Sep (peak)
9	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	69	Sep (peak)
10	Eastern Comma	Polygonia comma	Brush-footed Butterflies	68	Sep (peak)
11	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	62	Jun (past peak)
12	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	61	Aug (past peak)
13	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	59	Jul (past peak)
14	Common Buckeye	Junonia coenia	Brush-footed Butterflies	57	Sep (peak)
15	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	55	Aug (past peak)
16	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	52	Sep (peak)
17	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	49	Jun (past peak)
18	Viceroy	Limenitis archippus	Brush-footed Butterflies	49	Sep (peak)
19	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	47	Jul (past peak)
20	Silver-spotted Skipper	Epargyreus clarus	Skippers	43	Jul (past peak)
21	Peck's Skipper	Polites peckius	Skippers	38	Aug (past peak)
22	Hackberry Emperor	Asterocampa celtis	Brush-footed Butterflies	30	Aug (past peak)
23	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	26	Aug (past peak)
24	Painted Lady	Vanessa cardui	Brush-footed Butterflies	23	Aug (past peak)
25	Least Skipper	Ancyloxypha numitor	Skippers	23	Aug (past peak)
26	Sleepy Orange	Eurema nicippe	Whites, Yellows, and Sulphurs	22	Aug (past peak)
27	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	19	Aug (past peak)
28	Zebra Swallowtail	Eurytides marcellus	Swallowtails and Parnassians	18	Jun (past peak)
29	American Lady	Vanessa virginiensis	Brush-footed Butterflies	17	May (past peak)
30	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	14	Aug (past peak)
31	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	14	Jun (past peak)
32	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	14	Jun (past peak)
33	Aphrodite Fritillary	Argynnis aphrodite	Brush-footed Butterflies	14	Jul (past peak)
34	Fiery Skipper	Hylephila phyleus	Skippers	13	Oct (rising)
35	Gray Comma	Polygonia progne	Brush-footed Butterflies	12	Jul (past peak)
36	Red-banded Hairstreak	Calycopis cecrops	Gossamer-winged Butterflies	12	Aug (past peak)
37	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	11	Jul (past peak)
38	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	9	Jul (past peak)
39	Silvery Checkerspot	Chlosyne nycteis	Brush-footed Butterflies	9	Aug (past peak)
40	Common Checkered-Skipper	Burnsius communis	Skippers	9	Oct (rising)
41	Zabulon Skipper	Lon zabulon	Skippers	9	Aug (past peak)
42	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	8	Jun (past peak)
43	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	7	Jun (past peak)
44	Common Ringlet	Coenonympha california	Brush-footed Butterflies	6	Jun (past peak)
45	White M Hairstreak	Parrhasius m-album	Gossamer-winged Butterflies	6	Aug (past peak)
46	Atlantis Fritillary	Argynnis atlantis	Brush-footed Butterflies	4	Jun (past peak)
47	Carolina Satyr	Hermeuptychia sosybius	Brush-footed Butterflies	3	May (past peak)
48	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	3	Jul (past peak)
49	Eastern Gemmed-Satyr	Cyllopsis gemma	Brush-footed Butterflies	3	Aug (past peak)
50	Horace's Duskywing	Erynnis horatius	Skippers	2	Aug (past peak)