Butterflies of Berks County, Pennsylvania ---- Sightings in 2013
Butterfly walks in Berks County - 2013

Photos of Berks Butterflies from 2012    (2011 photos)

Return to Berks County Nature     Go to Lancaster Butterfly Sightings

    The butterfly species with dates have been seen in Berks County, Pennsylvania this year. There are records of 108 species for Berks County. The list below includes all those reported from 2003 through 2012, a total of 91. New species (not seen during 2003 - 2012) will be added in red. No species were added in 2012.

      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 2013, please send an email to. If you are not sure and have a photograph, please send it. We appreciate your help. 
Sightings in 2013 (74 species) (Oct 20 sp)--- Updated 3/4/15
     Latest seen in 2013 - Fiery Skipper, Cloudless Sulphur. 

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

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

Yearly butterfly 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 (--)
.
Contributors to this year's sightings are: Mark Bankes, Janis  Good, Stan Kemp, Ken Lebo, Peter Montgomery, Robert Noll, Jo Spilde, Ryan Woolwine, Mike Slater,  Lois Vedock, and Karl Gardner.
For Lancaster County, PA butterfly sightings go to Lancaster Butterfly Sightings - 2013.

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.

Return to Berks County Nature home page.