Butterflies Flying in Connecticut in July (60 Species)

60 butterflies were recorded flying in Connecticut 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 Nov

Top butterflies in July

Monarch1,209 obs.

Eastern Tiger Swallowtail691 obs.

Silver-spotted Skipper456 obs.

Spicebush Swallowtail451 obs.

Great Spangled Fritillary423 obs.

Small White341 obs.

Red Admiral229 obs.

Pearl Crescent217 obs.

Huron Skipper185 obs.

Northern Broken-Dash184 obs.

Dun Skipper165 obs.

Eastern Tailed-Blue147 obs.

All butterflies flying in Connecticut in July

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	1,209	Aug (rising)
2	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	691	Aug (rising)
3	Silver-spotted Skipper	Epargyreus clarus	Skippers	456	Jul (peak)
4	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	451	Aug (rising)
5	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	423	Jul (peak)
6	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	341	Jul (peak)
7	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	229	Jul (peak)
8	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	217	Jul (peak)
9	Huron Skipper	Atalopedes huron	Skippers	185	Sep (rising)
10	Northern Broken-Dash	Polites egeremet	Skippers	184	Jul (peak)
11	Dun Skipper	Euphyes vestris	Skippers	165	Jul (peak)
12	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	147	Aug (rising)
13	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	128	Jul (peak)
14	Little Wood Satyr	Megisto cymela	Brush-footed Butterflies	123	Jun (past peak)
15	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	122	Jul (peak)
16	Peck's Skipper	Polites peckius	Skippers	119	Aug (rising)
17	American Lady	Vanessa virginiensis	Brush-footed Butterflies	114	Aug (rising)
18	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	112	Jul (peak)
19	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	108	Aug (rising)
20	Eastern Comma	Polygonia comma	Brush-footed Butterflies	99	Jul (peak)
21	Banded Hairstreak	Satyrium calanus	Gossamer-winged Butterflies	97	Jun (past peak)
22	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	88	Jul (peak)
23	Broad-winged Skipper	Poanes viator	Skippers	88	Aug (rising)
24	Little Glassywing	Vernia verna	Skippers	80	Jul (peak)
25	Viceroy	Limenitis archippus	Brush-footed Butterflies	79	Sep (rising)
26	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	63	Aug (rising)
27	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	62	Aug (rising)
28	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	61	Aug (rising)
29	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	59	Jul (peak)
30	Common Buckeye	Junonia coenia	Brush-footed Butterflies	55	Aug (rising)
31	Delaware Skipper	Anatrytone logan	Skippers	49	Jul (peak)
32	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	49	Sep (rising)
33	Zabulon Skipper	Lon zabulon	Skippers	46	Aug (rising)
34	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	42	Jul (peak)
35	Coral Hairstreak	Satyrium titus	Gossamer-winged Butterflies	40	Jul (peak)
36	Tawny-edged Skipper	Polites themistocles	Skippers	35	Aug (rising)
37	Painted Lady	Vanessa cardui	Brush-footed Butterflies	34	Sep (rising)
38	Least Skipper	Ancyloxypha numitor	Skippers	32	Aug (rising)
39	Horace's Duskywing	Erynnis horatius	Skippers	31	Jul (peak)
40	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	31	Apr (past peak)
41	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	22	Jul (peak)
42	Common Sootywing	Pholisora catullus	Skippers	22	Aug (rising)
43	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	22	Sep (rising)
44	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	20	Sep (rising)
45	Eyed Brown	Lethe eurydice	Brush-footed Butterflies	20	Jun (past peak)
46	Baltimore Checkerspot	Euphydryas phaeton	Brush-footed Butterflies	18	Jun (past peak)
47	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	17	Aug (rising)
48	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	17	Jul (peak)
49	Red-banded Hairstreak	Calycopis cecrops	Gossamer-winged Butterflies	14	Aug (rising)
50	Northern Crescent	Phyciodes cocyta	Brush-footed Butterflies	11	Jul (peak)