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

Photos of Berks Butterflies from 2012    (2011 photos)

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A butterfly walk will be held on Neversink Mountain this coming Saturday, April 27, 2025 from 10 am to noon. Info at: Neversink Walk)

    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 - 9 species so far (April - 9, March - 4, February - 0, January - 0)
(Latest new for year sighting: Spicebush Swallowtail, Zebra Swallowtail, Eastern Comma, Clouded Sulphur, Orange Sulphur.)

Updated 4/23/25
THIS YEAR'S CONTRIBUTORS (7) 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.

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

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, Robert Noll, Lori Soraparu, Mike Slater, Dave Sonnen, Todd Underwood, 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.