Butterflies Flying in Maryland in July (60 Species)

60 butterflies were recorded flying in Maryland in July in our iNaturalist sample; 13 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Top butterflies in July

Eastern Tiger Swallowtail4,278 obs.

Huron Skipper2,151 obs.

Monarch2,011 obs.

Silver-spotted Skipper1,698 obs.

Spicebush Swallowtail1,143 obs.

Pearl Crescent1,092 obs.

Eastern Tailed-Blue1,032 obs.

Small White948 obs.

Zebra Swallowtail878 obs.

Horace's Duskywing782 obs.

Red Admiral752 obs.

Peck's Skipper666 obs.

All butterflies flying in Maryland in July

#	Species	Scientific name	Family	Obs.	Peak in state
1	Eastern Tiger Swallowtail	Papilio glaucus	Swallowtails and Parnassians	4,278	Aug (rising)
2	Huron Skipper	Atalopedes huron	Skippers	2,151	Sep (rising)
3	Monarch	Danaus plexippus	Brush-footed Butterflies	2,011	Aug (rising)
4	Silver-spotted Skipper	Epargyreus clarus	Skippers	1,698	Aug (rising)
5	Spicebush Swallowtail	Papilio troilus	Swallowtails and Parnassians	1,143	Aug (rising)
6	Pearl Crescent	Phyciodes tharos	Brush-footed Butterflies	1,092	Sep (rising)
7	Eastern Tailed-Blue	Everes comyntas	Gossamer-winged Butterflies	1,032	Sep (rising)
8	Small White	Pieris rapae	Whites, Yellows, and Sulphurs	948	Jun (past peak)
9	Zebra Swallowtail	Eurytides marcellus	Swallowtails and Parnassians	878	Jun (past peak)
10	Horace's Duskywing	Erynnis horatius	Skippers	782	Jul (peak)
11	Red Admiral	Vanessa atalanta	Brush-footed Butterflies	752	Jul (peak)
12	Peck's Skipper	Polites peckius	Skippers	666	Sep (rising)
13	Black Swallowtail	Papilio polyxenes	Swallowtails and Parnassians	579	Aug (rising)
14	Least Skipper	Ancyloxypha numitor	Skippers	564	Jul (peak)
15	Variegated Fritillary	Euptoieta claudia	Brush-footed Butterflies	555	Sep (rising)
16	Great Spangled Fritillary	Argynnis cybele	Brush-footed Butterflies	515	Jun (past peak)
17	Zabulon Skipper	Lon zabulon	Skippers	419	Aug (rising)
18	Common Buckeye	Junonia coenia	Brush-footed Butterflies	392	Sep (rising)
19	Silvery Checkerspot	Chlosyne nycteis	Brush-footed Butterflies	375	Jul (peak)
20	American Lady	Vanessa virginiensis	Brush-footed Butterflies	353	May (past peak)
21	Red-banded Hairstreak	Calycopis cecrops	Gossamer-winged Butterflies	346	Aug (rising)
22	Orange Sulphur	Colias eurytheme	Whites, Yellows, and Sulphurs	343	Sep (rising)
23	Red-spotted Admiral	Limenitis arthemis	Brush-footed Butterflies	335	Aug (rising)
24	Summer Azure	Celastrina neglecta	Gossamer-winged Butterflies	295	Jun (past peak)
25	Gray Hairstreak	Strymon melinus	Gossamer-winged Butterflies	267	Sep (rising)
26	Sleepy Orange	Eurema nicippe	Whites, Yellows, and Sulphurs	254	Aug (rising)
27	Little Glassywing	Vernia verna	Skippers	249	Jun (past peak)
28	Common Wood-Nymph	Cercyonis pegala	Brush-footed Butterflies	246	Jul (peak)
29	Broad-winged Skipper	Poanes viator	Skippers	225	Jun (past peak)
30	Dun Skipper	Euphyes vestris	Skippers	218	Jul (peak)
31	Pipevine Swallowtail	Battus philenor	Swallowtails and Parnassians	216	Jul (peak)
32	Appalachian Brown	Lethe appalachia	Brush-footed Butterflies	189	Jul (peak)
33	Question Mark	Polygonia interrogationis	Brush-footed Butterflies	185	Aug (rising)
34	Wild Indigo Duskywing	Erynnis baptisiae	Skippers	182	Aug (rising)
35	Eastern Comma	Polygonia comma	Brush-footed Butterflies	175	Apr (past peak)
36	Northern Pearly-eye	Lethe anthedon	Brush-footed Butterflies	167	Aug (rising)
37	Hackberry Emperor	Asterocampa celtis	Brush-footed Butterflies	137	Aug (rising)
38	Little Wood Satyr	Megisto cymela	Brush-footed Butterflies	131	Jun (past peak)
39	Viceroy	Limenitis archippus	Brush-footed Butterflies	127	Aug (rising)
40	American Snout	Libytheana carinenta	Brush-footed Butterflies	104	Jul (peak)
41	Painted Lady	Vanessa cardui	Brush-footed Butterflies	100	Sep (rising)
42	Clouded Sulphur	Colias philodice	Whites, Yellows, and Sulphurs	97	Jul (peak)
43	Fiery Skipper	Hylephila phyleus	Skippers	94	Sep (rising)
44	Delaware Skipper	Anatrytone logan	Skippers	89	Jul (peak)
45	Meadow Fritillary	Boloria bellona	Brush-footed Butterflies	84	Aug (rising)
46	American Copper	Lycaena hypophlaeas	Gossamer-winged Butterflies	83	Jul (peak)
47	Common Sootywing	Pholisora catullus	Skippers	79	Aug (rising)
48	Northern Broken-Dash	Polites egeremet	Skippers	77	Jul (peak)
49	Cloudless Sulphur	Phoebis sennae	Whites, Yellows, and Sulphurs	76	Sep (rising)
50	Banded Hairstreak	Satyrium calanus	Gossamer-winged Butterflies	68	Jun (past peak)