Butterflies of Berks County, Pennsylvania ---- Sightings in 2025
Butterfly walks in Berks County - 2025

Photos of Berks Butterflies from 2012    (2011 photos)

Return to Berks County Nature
    The butterfly species with dates recorded have been seen in Berks County, Pennsylvania this year. There are records of 107 species for Berks County. The list below includes all those reported from 2003 through 2024 plus this year, a total of 94. New species (not seen during 2003 - 2024) will be added in red. One species was added in 2013, 2015, and 2018. No data was collected in 2014.

      Again this year we are recording the first sighting for each month plus a last date for the year in order to have data over the season. If you have a later report than the "Last" date posted, please send it to the email below. 
       If you have a reliable sighting not on this list for 2025, please send an email to . If you are not sure and have a photograph, please send it. We appreciate your help. 
Sightings in 2025 - 52 species so far (November - 4, October - 15, September - 30, August - 35,
July - ( ), June - (5), May - 27, April - 17, March - 4, February - 0, January - 0)
(Latest new for year sighting: -- )
Updated 11/7/25
THIS YEAR'S CONTRIBUTORS (12) are listed at the bottom of the page.
Some highlights for 2025.
First butterfly of the year: Mourning Cloak seen by Jay Drasher on March 10, 2025.
Earliest (by 12 days) Giant Swallowtail in a decade: Lois Vedock on May 3, 2025.

 The day of the first sighting is listed for each month plus the last date for the year.

Family HESPERIIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
1 Silver-spotted Skipper 3 1 1 1 5
2 Long-tailed Skipper
3 Hoary-edged Skipper
4 Northern Cloudywing
5 Dreamy Duskywing 
6 Sleepy Duskywing
7 Juvenal's Duskywing  29 3
8 Horace's Duskywing  3
9 Wild Indigo Duskywing 20 3 25 1
10 Common Checkered Skipper  1 4
11 Common Sootywing 1
12 Swarthy Skipper
13 Least Skipper  1 4
14 European Skipper 
15 Fiery Skipper  1 4
16 Leonard's Skipper
17 Cobweb Skipper 
18 Indian Skipper
19 Peck's Skipper  11 1 1 1
20 Tawny-edged Skipper 6
21 Crossline Skipper
22 Long Dash 
23 Northern Broken Dash 
24 Little Glassy Wing
25 Sachem 1 1 1
26 Delaware Skipper 
27 Mulberry Wing
28 Hobomok Skipper  15
29 Zabulon Skipper  7 2 1 4
30 Broad-winged Skipper
31 Black Dash 
32 Dun Skipper  7
33 Dusted Skipper 
34 Ocola Skipper 28
35 Pepper and Salt Skipper
Family PAPILIONIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
36 Pipevine Swallowtail  16 1
37 Zebra Swallowtail  22 1 10 1
38 Black Swallowtail  3 2 1
39 Giant Swallowtail  3 7
40 Eastern Tiger Swallowtail  29 17 1 1 1
41 Spicebush Swallowtail 23 3 1 1
42 Palamedes Swallowtail
Family PIERIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
43 Cabbage White=Cabbage Butterfly  19 1 1 1 1 1 1 1
44 Falcate Orangetip
45 Clouded Sulphur  19 7 1 2
46 Orange Sulphur 19 1 4 2
47 Cloudless Sulphur
48 Little Yellow
49 Sleepy Orange  6 1
Family LYCAENIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
50 Harvester  8
51 American Copper 
52 Coral Hairstreak 
53 Edward's Hairstreak 
54 Banded Hairstreak 
55 Striped Hairstreak
56 Red-banded Hairstreak 23 2 11
57 Juniper Hairstreak 
58 Brown Elfin  3
59 Pine Elfin 
60 White-m Hairstreak  11 5
61 Gray Hairstreak 2 1
62 Eastern Tailed Blue 27 3 1
63 Spring Azure  25 18 3
64 Northern Spring Azure 
65 Summer Azure  26 2 1
66 Appalachian Azure 23
Family NYMPHALIDAE
 Subfamily LIBYTHEINAE 		 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
67 Snout Butterfly  26 2 1
Subfamily HELICONIINAE
68 Variegated Fritillary 28 4 2
69 Great Spangled Fritillary 2 17 1
70  Aphrodite 
71  Meadow Fritillary  24 25 28
Subfamily NYMPHALINAE
72 Pearl Crescent 27 3 1 1 1
73 Silvery Checkerspot
74 Baltimore 
75 Question Mark  19
76 Comma  19 8
77 Gray Comma
78 Compton's Tortoiseshell 
79 Mourning Cloak  10 15 3 30
80 Milbert's Tortoiseshell 
81 American Painted Lady  28 3
82 Painted Lady  28 27
83 Red Admiral  23 3 1 30
84 Buckeye  1 1 1
85 Red-spotted Purple  15 10
86 Viceroy
Subfamily APATURINAE
87 Hackberry Butterfly/Emperor 22
88 Tawny Emperor 
Subfamily SATYRINAE
89 Northern Pearly Eye 
90 Appalachian (Eyed) Brown  27
91 Little Wood Satyr  15 2 1
92 Common Ringlet 
93 Common Wood Nymph 
Subfamily DANAINAE
94 Monarch 8 1 1 3
Monthly Totals 4 17 27 (5) 35 30 15 4

Past year butterfly species sightings in Berks County, PA
2003 (63)
2004 (63)
2005 (62)
2006 (61)
2007 (64)
2008 (67)
2009 (73)
2010 (80)
2011 (72)
2012 (78)
2013 (74)
No data
2015 (71)
2016 (61)
2017 (62)
2018 (65)
2019 (67)
2020 (68)
2021 (63)
2022 (60)
2023 (58)
2024 (--)
2025 (--)
.
Contributors to this year's sightings are: Jay Drasher, Jim Eckert, Fred Habegger, Linda Ingram, Robert Noll, Lori Soraparu, Mike Slater, Dave Sonnen, Todd Underwood, Lois Vedock, Ryan Woolwine, and Karl Gardner.
For Lancaster County, PA butterfly sightings go to Lancaster Butterfly Sightings - 2025.

A site with data on butterfly distributions by county (and photographs) for North America can be found at Butterflies and Moths of NA.   (http://www.butterfliesandmoths.org/)

There is a small informal group of local butterfly collectors/observers in Berks Co., Pennsylvania If you are interested in butterflies and would like to meet this group, contact Karl Gardner maintains this page.

Return to Berks County Nature home page.