Butterflies Flying in Maine in August (60 Species)

60 butterflies were recorded flying in Maine in August in our iNaturalist sample; 23 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

Monarch1,866 obs.

American Lady467 obs.

Great Spangled Fritillary464 obs.

Common Wood-Nymph392 obs.

Small White345 obs.

Common Ringlet328 obs.

American Copper253 obs.

Viceroy250 obs.

Red Admiral173 obs.

Atlantis Fritillary161 obs.

Eastern Tailed-Blue155 obs.

Painted Lady151 obs.

All butterflies flying in Maine in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	1,866	Aug (peak)
2	American Lady	Vanessa virginiensis	Brush-footed Butterflies	467	Aug (peak)
3	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	464	Jul (past peak)
4	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	392	Aug (peak)
5	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	345	Aug (peak)
6	Common Ringlet	Coenonympha california	Brush-footed Butterflies	328	Jun (past peak)
7	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	253	Aug (peak)
8	Viceroy	Limenitis archippus	Brush-footed Butterflies	250	Aug (peak)
9	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	173	Jul (past peak)
10	Atlantis Fritillary	Argynnis atlantis	Brush-footed Butterflies	161	Jul (past peak)
11	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	155	Aug (peak)
12	Painted Lady	Vanessa cardui	Brush-footed Butterflies	151	Aug (peak)
13	Dun Skipper	Euphyes vestris	Skippers	139	Jul (past peak)
14	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	132	Sep (rising)
15	Silver-spotted Skipper	Epargyreus clarus	Skippers	122	Jul (past peak)
16	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	117	Apr (past peak)
17	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	116	Aug (peak)
18	Peck's Skipper	Polites peckius	Skippers	107	Jul (past peak)
19	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	101	Jul (past peak)
20	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	96	Aug (peak)
21	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	92	Aug (peak)
22	Least Skipper	Ancyloxypha numitor	Skippers	85	Aug (peak)
23	Aphrodite Fritillary	Argynnis aphrodite	Brush-footed Butterflies	80	Jul (past peak)
24	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	68	Aug (peak)
25	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	60	Sep (rising)
26	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	59	Aug (peak)
27	Northern Crescent	Phyciodes cocyta	Brush-footed Butterflies	52	Jun (past peak)
28	Green Comma	Polygonia faunus	Brush-footed Butterflies	48	Aug (peak)
29	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	41	Sep (rising)
30	Broad-winged Skipper	Poanes viator	Skippers	35	Aug (peak)
31	Common Buckeye	Junonia coenia	Brush-footed Butterflies	31	Sep (rising)
32	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	30	Jul (past peak)
33	American Branded Skipper	Hesperia colorado	Skippers	23	Aug (peak)
34	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	22	Jul (past peak)
35	Canadian Tiger Swallowtail	Papilio canadensis	Swallowtails and Parnassians	22	Jun (past peak)
36	Tawny-edged Skipper	Polites themistocles	Skippers	21	Jun (past peak)
37	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	21	Aug (peak)
38	Eastern Comma	Polygonia comma	Brush-footed Butterflies	20	Jul (past peak)
39	Zabulon Skipper	Lon zabulon	Skippers	20	Aug (peak)
40	Northern Broken-Dash	Polites egeremet	Skippers	18	Jul (past peak)
41	Harvester	Feniseca tarquinius	Gossamer-winged Butterflies	16	Jun (past peak)
42	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	15	Aug (peak)
43	Milbert's Tortoiseshell	Aglais milberti	Brush-footed Butterflies	14	Aug (peak)
44	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	13	Jul (past peak)
45	White M Hairstreak	Parrhasius m-album	Gossamer-winged Butterflies	11	Aug (peak)
46	Bronze Copper	Tharsalea hyllus	Gossamer-winged Butterflies	10	Jun (past peak)
47	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	8	Aug (peak)
48	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	7	Jul (past peak)
49	Horace's Duskywing	Erynnis horatius	Skippers	6	Jul (past peak)
50	Gray Comma	Polygonia progne	Brush-footed Butterflies	6	May (past peak)