Butterflies Flying in Delaware in July (55 Species)

55 butterflies were recorded flying in Delaware in July in our iNaturalist sample; 10 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

Eastern Tiger Swallowtail457 obs.

Monarch301 obs.

Huron Skipper227 obs.

Spicebush Swallowtail160 obs.

Red Admiral141 obs.

Silver-spotted Skipper139 obs.

Small White138 obs.

Eastern Tailed-Blue117 obs.

Variegated Fritillary102 obs.

Pearl Crescent95 obs.

Least Skipper80 obs.

American Lady69 obs.

All butterflies flying in Delaware in July

#	Species	Scientific name	Family	Obs.	Peak in state
1	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	457	Aug (rising)
2	Monarch	Danaus plexippus	Brush-footed Butterflies	301	Aug (rising)
3	Huron Skipper	Atalopedes huron	Skippers	227	Sep (rising)
4	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	160	Aug (rising)
5	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	141	Jul (peak)
6	Silver-spotted Skipper	Epargyreus clarus	Skippers	139	Aug (rising)
7	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	138	Jun (past peak)
8	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	117	Sep (rising)
9	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	102	Sep (rising)
10	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	95	Sep (rising)
11	Least Skipper	Ancyloxypha numitor	Skippers	80	Jul (peak)
12	American Lady	Vanessa virginiensis	Brush-footed Butterflies	69	Jun (past peak)
13	Red-banded Hairstreak	Calycopis cecrops	Gossamer-winged Butterflies	68	Aug (rising)
14	Peck's Skipper	Polites peckius	Skippers	66	Sep (rising)
15	Common Buckeye	Junonia coenia	Brush-footed Butterflies	61	Sep (rising)
16	Broad-winged Skipper	Poanes viator	Skippers	61	Jul (peak)
17	Zabulon Skipper	Lon zabulon	Skippers	59	Aug (rising)
18	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	44	Jul (peak)
19	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	38	Aug (rising)
20	Horace's Duskywing	Erynnis horatius	Skippers	33	Jul (peak)
21	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	33	Sep (rising)
22	Little Wood Satyr	Megisto cymela	Brush-footed Butterflies	32	Jun (past peak)
23	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	30	Aug (rising)
24	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	30	Aug (rising)
25	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	26	Sep (rising)
26	Eastern Comma	Polygonia comma	Brush-footed Butterflies	25	Apr (past peak)
27	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	25	Jul (peak)
28	Zebra Swallowtail	Eurytides marcellus	Swallowtails and Parnassians	18	Jun (past peak)
29	Viceroy	Limenitis archippus	Brush-footed Butterflies	17	Sep (rising)
30	Sleepy Orange	Eurema nicippe	Whites, Yellows, and Sulphurs	16	Aug (rising)
31	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	15	Sep (rising)
32	American Snout	Libytheana carinenta	Brush-footed Butterflies	13	Jul (peak)
33	Bronze Copper	Tharsalea hyllus	Gossamer-winged Butterflies	12	Jul (peak)
34	Cloudless Sulphur	Phoebis sennae	Whites, Yellows, and Sulphurs	10	Aug (rising)
35	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	10	Jun (past peak)
36	Painted Lady	Vanessa cardui	Brush-footed Butterflies	9	Sep (rising)
37	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	9	Jul (peak)
38	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	6	Aug (rising)
39	Salt Marsh Skipper	Panoquina panoquin	Skippers	6	Aug (rising)
40	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	6	Jun (past peak)
41	Mourning Cloak	Nymphalis antiopa	Brush-footed Butterflies	4	Mar (past peak)
42	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	4	Jun (past peak)
43	Harvester	Feniseca tarquinius	Gossamer-winged Butterflies	4	Aug (rising)
44	Gulf Fritillary	Dione vanillae	Brush-footed Butterflies	2	Jul (peak)
45	Fiery Skipper	Hylephila phyleus	Skippers	2	Oct (rising)
46	Common Sootywing	Pholisora catullus	Skippers	2	Aug (rising)
47	Delaware Skipper	Anatrytone logan	Skippers	2	Jun (past peak)
48	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	2	Sep (rising)
49	Banded Hairstreak	Satyrium calanus	Gossamer-winged Butterflies	2	Jun (past peak)
50	Swarthy Skipper	Nastra lherminier	Skippers	2	Aug (rising)