Butterflies of Berks County, Pennsylvania ---- Sightings in 2017
Butterfly walks in Berks County - 2017

Photos of Berks Butterflies from 2012    (2011 photos)

Return to Berks County Nature     Go to Lancaster Butterfly Sightings

    The butterfly species with dates recorded 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 2015 plus this year, a total of 93. New species (not seen during 2003 - 2015) will be added in red . One species was added in 2013 and another in 2015. 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 2017, please send an email to . If you are not sure and have a photograph, please send it. We appreciate your help. 

Sightings in 2017 - 15 species so far (January - 0, February - 2, March - 3, April - 14)
(Latest butterfly sightings: Eastern Tailed Blue, Zebra Swallowtail, Orange Sulphur, Spicebush Swallowtail, Wild Indigo Duskywing, Clouded Sulphur, Tiger Swallowtail, Juvenal's Duskywing, American Lady.)

Updated 4/24/17
THIS YEARS CONTRIBUTORS are listed below.
Some highlights for 2017.
Cabbage Butterfly oviposits on garlic mustard: 11 April.
American Painted Lady oviposits on field pussytoes 17 April.

 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  10
8 Horace's Duskywing 
9 Wild Indigo Duskywing 20
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  23
38 Black Swallowtail  5
39 Giant Swallowtail 
40 Eastern Tiger Swallowtail  10
41 Spicebush Swallowtail 20
42 Palamedes Swallowtail
Family PIERIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
43 Cabbage Butterfly=Cabbage White  29 3
44 Falcate Orangetip
45 Clouded Sulphur  16
46 Orange Sulphur 21
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 23
63 Spring Azure  29 10
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 17
73 Baltimore 
74 Question Mark 
75 (Eastern) Comma  24
76 Gray Comma
77 Compton's Tortoiseshell 
78 Mourning Cloak  23 29 5
79 Milbert's Tortoiseshell 
80 American Painted Lady  10
81 Painted Lady 
82 Red Admiral 
83 Buckeye 
84 Red-spotted Purple 
85 Viceroy
Subfamily APATURINAE
86 Hackberry Butterfly/Emperor
87 Tawny Emperor 
Subfamily SATYRINAE
88 Northern Pearly Eye 
89 Appalachian (Eyed) Brown 
90 Little Wood Satyr 
91 Common Ringlet 
92 Common Wood Nymph 
Subfamily DANAINAE
93 Monarch
Monthly Totals 2 3 14
Yearly 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 (--)
(--)
.
Contributors to this year's sightings are: Mark Bankes, Jay Drasher, Kerry Grim, Rudy Keller, Ken Lebo, Peter Montgomery, Mark Priebe, Tony Schoch, Mike Slater, Allen Schultz, Ted Stokes, Lois Vedock, Ryan Woolwine, and Karl Gardner.
For Lancaster County, PA butterfly sightings go to Lancaster Butterfly Sightings - 2017.

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.