Butterflies Flying in Connecticut in August (60 Species)

60 butterflies were recorded flying in Connecticut in August in our iNaturalist sample; 22 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 August

Monarch1,621 obs.

Eastern Tiger Swallowtail762 obs.

Zabulon Skipper624 obs.

Spicebush Swallowtail603 obs.

Peck's Skipper521 obs.

Silver-spotted Skipper450 obs.

Red-banded Hairstreak325 obs.

Small White290 obs.

Huron Skipper246 obs.

Great Spangled Fritillary224 obs.

Eastern Tailed-Blue200 obs.

American Lady164 obs.

All butterflies flying in Connecticut in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Monarch	Danaus plexippus	Brush-footed Butterflies	1,621	Aug (peak)
2	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	762	Aug (peak)
3	Zabulon Skipper	Lon zabulon	Skippers	624	Aug (peak)
4	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	603	Aug (peak)
5	Peck's Skipper	Polites peckius	Skippers	521	Aug (peak)
6	Silver-spotted Skipper	Epargyreus clarus	Skippers	450	Jul (past peak)
7	Red-banded Hairstreak	Calycopis cecrops	Gossamer-winged Butterflies	325	Aug (peak)
8	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	290	Jul (past peak)
9	Huron Skipper	Atalopedes huron	Skippers	246	Sep (rising)
10	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	224	Jul (past peak)
11	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	200	Aug (peak)
12	American Lady	Vanessa virginiensis	Brush-footed Butterflies	164	Aug (peak)
13	Common Buckeye	Junonia coenia	Brush-footed Butterflies	134	Aug (peak)
14	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	129	Aug (peak)
15	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	129	Jul (past peak)
16	Broad-winged Skipper	Poanes viator	Skippers	121	Aug (peak)
17	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	119	Aug (peak)
18	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	117	Jul (past peak)
19	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	109	Jul (past peak)
20	Least Skipper	Ancyloxypha numitor	Skippers	109	Aug (peak)
21	Tawny-edged Skipper	Polites themistocles	Skippers	109	Aug (peak)
22	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	108	Aug (peak)
23	Eastern Giant Swallowtail	Heraclides cresphontes	Swallowtails and Parnassians	100	Aug (peak)
24	Viceroy	Limenitis archippus	Brush-footed Butterflies	72	Sep (rising)
25	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	70	Aug (peak)
26	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	69	Jul (past peak)
27	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	67	Jul (past peak)
28	Eastern Comma	Polygonia comma	Brush-footed Butterflies	59	Jul (past peak)
29	Painted Lady	Vanessa cardui	Brush-footed Butterflies	56	Sep (rising)
30	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	51	Jul (past peak)
31	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	42	Sep (rising)
32	Common Sootywing	Pholisora catullus	Skippers	40	Aug (peak)
33	Common Ringlet	Coenonympha california	Brush-footed Butterflies	35	Jun (past peak)
34	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	31	Jul (past peak)
35	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	28	Sep (rising)
36	Horace's Duskywing	Erynnis horatius	Skippers	26	Jul (past peak)
37	Cloudless Sulphur	Phoebis sennae	Whites, Yellows, and Sulphurs	19	Sep (rising)
38	Northern Broken-Dash	Polites egeremet	Skippers	19	Jul (past peak)
39	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	17	Jul (past peak)
40	Fiery Skipper	Hylephila phyleus	Skippers	17	Sep (rising)
41	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	17	Sep (rising)
42	Dun Skipper	Euphyes vestris	Skippers	15	Jul (past peak)
43	White M Hairstreak	Parrhasius m-album	Gossamer-winged Butterflies	15	Sep (rising)
44	American Silver-bordered Fritillary	Boloria myrina	Brush-footed Butterflies	13	Jul (past peak)
45	American Snout	Libytheana carinenta	Brush-footed Butterflies	12	Aug (peak)
46	Hackberry Emperor	Asterocampa celtis	Brush-footed Butterflies	12	Aug (peak)
47	Swarthy Skipper	Nastra lherminier	Skippers	12	Aug (peak)
48	Banded Hairstreak	Satyrium calanus	Gossamer-winged Butterflies	9	Jun (past peak)
49	Harvester	Feniseca tarquinius	Gossamer-winged Butterflies	9	Aug (peak)
50	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	8	Jul (past peak)