Butterflies Flying in Maine in July (60 Species)

60 butterflies were recorded flying in Maine in July in our iNaturalist sample; 21 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 July

Monarch1,306 obs.

Great Spangled Fritillary572 obs.

Dun Skipper530 obs.

American Lady452 obs.

Silver-spotted Skipper417 obs.

Northern Pearly-eye369 obs.

Common Wood-Nymph280 obs.

Atlantis Fritillary280 obs.

Red Admiral232 obs.

Northern Crescent200 obs.

Small White196 obs.

Long Dash188 obs.

All butterflies flying in Maine in July

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	1,306	Aug (rising)
2	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	572	Jul (peak)
3	Dun Skipper	Euphyes vestris	Skippers	530	Jul (peak)
4	American Lady	Vanessa virginiensis	Brush-footed Butterflies	452	Aug (rising)
5	Silver-spotted Skipper	Epargyreus clarus	Skippers	417	Jul (peak)
6	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	369	Jul (peak)
7	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	280	Aug (rising)
8	Atlantis Fritillary	Argynnis atlantis	Brush-footed Butterflies	280	Jul (peak)
9	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	232	Jul (peak)
10	Northern Crescent	Phyciodes cocyta	Brush-footed Butterflies	200	Jun (past peak)
11	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	196	Aug (rising)
12	Long Dash	Limochores mystic	Skippers	188	Jul (peak)
13	Canadian Tiger Swallowtail	Papilio canadensis	Swallowtails and Parnassians	170	Jun (past peak)
14	Eyed Brown	Lethe eurydice	Brush-footed Butterflies	153	Jul (peak)
15	Northern Broken-Dash	Polites egeremet	Skippers	151	Jul (peak)
16	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	150	Aug (rising)
17	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	135	Sep (rising)
18	Peck's Skipper	Polites peckius	Skippers	123	Jul (peak)
19	Essex Skipper	Thymelicus lineola	Skippers	118	Jul (peak)
20	Banded Hairstreak	Satyrium calanus	Gossamer-winged Butterflies	97	Jul (peak)
21	Aphrodite Fritillary	Argynnis aphrodite	Brush-footed Butterflies	94	Jul (peak)
22	Viceroy	Limenitis archippus	Brush-footed Butterflies	92	Aug (rising)
23	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	83	Apr (past peak)
24	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	69	Aug (rising)
25	Painted Lady	Vanessa cardui	Brush-footed Butterflies	67	Aug (rising)
26	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	64	Aug (rising)
27	Hobomok Skipper	Lon hobomok	Skippers	59	Jun (past peak)
28	Delaware Skipper	Anatrytone logan	Skippers	58	Jul (peak)
29	Least Skipper	Ancyloxypha numitor	Skippers	57	Aug (rising)
30	Common Ringlet	Coenonympha california	Brush-footed Butterflies	57	Jun (past peak)
31	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	56	Sep (rising)
32	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	50	Aug (rising)
33	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	50	Aug (rising)
34	Little Glassywing	Vernia verna	Skippers	49	Jul (peak)
35	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	47	Aug (rising)
36	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	45	Jul (peak)
37	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	42	Jul (peak)
38	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	37	Jul (peak)
39	Baltimore Checkerspot	Euphydryas phaeton	Brush-footed Butterflies	33	Jun (past peak)
40	Coral Hairstreak	Satyrium titus	Gossamer-winged Butterflies	32	Jul (peak)
41	Little Wood Satyr	Megisto cymela	Brush-footed Butterflies	31	Jun (past peak)
42	Eastern Comma	Polygonia comma	Brush-footed Butterflies	28	Jul (peak)
43	Common Buckeye	Junonia coenia	Brush-footed Butterflies	27	Sep (rising)
44	Green Comma	Polygonia faunus	Brush-footed Butterflies	25	Aug (rising)
45	Tawny-edged Skipper	Polites themistocles	Skippers	24	Jun (past peak)
46	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	22	Sep (rising)
47	Harvester	Feniseca tarquinius	Gossamer-winged Butterflies	20	Jun (past peak)
48	Broad-winged Skipper	Poanes viator	Skippers	18	Aug (rising)
49	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	18	Jul (peak)
50	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	16	Aug (rising)