Butterflies of Lancaster County, Pennsylvania ---- Sightings in 2013
Photographs of Lancaster County Butterflies from 2013       (2012 photos)       (2011 photos)  

(2010 photos)    Other year sightings     Berks Co. Butterfly Sightings

Lancaster Butterfly & Entomological Club     Berks Co. Butterfly Walks 2017

    The butterfly species with dates have been seen in Lancaster County, Pennsylvania this year. There are records of 109 species for Lancaster County. The list below includes all those seen in 2009 through 2012, a total of 88 species.  New species seen in 2013, but not in 2009 through 2012 awill be added in red. Nine species were added to the list in 2012.   A printable list of the 109 species at (Lancaster Butterflies). 
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, send it. We will appreciate your help. 
First sightings by month for 2013 - 75 species  ---  (In October 22 species). (Updated Apr. 8, 2014.)
Latest new for year: Giant Swallowtail. 
Thank you to all of our contributors listed below.
The day of the first sighting is listed for each month .
Family HESPERIIDAE Mar Apr May Jun Jul Aug Sep Oct Last
1 Silver-spotted Skipper 28 5 1 4 2 1 17 Oct17
2 Long-tailed Skipper
2 Hoary-edged Skipper 29
3 Southern Cloudywing  29
4 Northern Cloudywing 26 15
5 Dreamy Duskywing  14
6 Sleepy Duskywing
7 Juvenal's Duskywing  28 10
8 Horace's Duskywing  5 6 2 5
9 Wild Indigo Duskywing 27 4 1 4 12 1
10 Common Checkered Skipper  6 9 17 Oct17
11 Common Sootywing 2 2 5
12 Swarthy Skipper 5 2
13 Clouded Skipper
14 Least Skipper  22 1 13 2 1
15 European Skipper  25
16 Fiery Skipper  13 6 Oct  6
17 Leonard's Skipper
18 Cobweb Skipper  5
19 Indian Skipper 27
20 Peck's Skipper  16 1 6 2 1 6 Oct  6
21 Tawny-edged Skipper 29
22 Crossline Skipper
23 Long Dash 
24 Northern Broken Dash  29
25 Little Glassy Wing 15 4
26 Sachem 18 1 6 1 <13 Oct 17
27 Delaware Skipper  29
28 Mulberry Wing 29
29 Hobomok Skipper  16 1
30 Zabulon Skipper  16 1 16 2 1
31 Broad-winged Skipper
32 Black Dash  29
33 Dun Skipper  1 4 4 1
34 Dusted Skipper  18
35 Ocola Skipper
Family PAPILIONIDAE Mar Apr May Jun Jul Aug Sep Oct Last
36 Pipevine Swallowtail  21 10 4 1
37 Zebra Swallowtail  14 4 1 4 2 1
38 Black Swallowtail  27 10 1 6 4 4 8 Oct 8
39 Giant Swallowtail  3
40 Eastern Tiger Swallowtail  21 4 1 4 2 1 5 Oct  5
41 Spicebush Swallowtail 4 1 4 2 1
Family PIERIDAE
42 Cabbage Butterfly = Cabbage White  6 4 1 4 2 1 6
43 Falcate Orangetip 14 5
44 Clouded Sulphur  17 4 29 4 5 1 6
45 Orange Sulphur 14 4 1 4 2 1 6
46 Cloudless Sulphur 13
47 Little Yellow
48 Sleepy Orange  28 19 8
49 Dainty Sulphur 
Family LYCAENIDAE
50 Harvester 
51 American Copper  5 21 6 17 6 Oct  6
52 Bronze Copper
53 Coral Hairstreak 21
54 Banded Hairstreak  18 21 4
55 Red-banded Hairstreak 30 1 26 4 4 16 Oct 16
56 Juniper Hairstreak  27 5
57 Brown Elfin  27
58 Henry's Elfin 5
59 Pine Elfin 27 5
60 White-m Hairstreak  4 14 6 15 Oct 15
61 Gray Hairstreak  21 14 7
62 Eastern Tailed Blue 28 4 1 4 2 1 6 Oct  6
63 Spring Azure  14 4
64 Summer Azure  30 1 4 2 1
65 Appalachian Azure
Family NYMPHALIDAE
 Subfamily LIBYTHEINAE 
Mar Apr May Jun Jul Aug Sep Oct Last
66 Snout Butterfly  13 5
Subfamily HELICONIINAE
67 Variegated Fritillary 12 1 6 2 1 6 Oct  6
68 Great Spangled Fritillary 31 21 4 17
69 Regal Fritillary
70  Meadow Fritillary 20 4 5 4 2 1 6 Oct  6
71  Silvery Checkerspot 31 1 4 2
Subfamily NYMPHALINAE
72 Pearl Crescent 26 4 1 4 2 1 6 Oct  6
73 Baltimore  29
74 Question Mark 6 2 13 2
75 Eastern Comma 9 7 26 13 2 2 8 Oct16
76 Mourning Cloak  10 5 9 4 2
77 American Painted Lady  21 1 13
78 Painted Lady  18 2 13 2 1 6 Oct 6
79 Red Admiral 28 18 1 4 2 1 6 Oct  6
80 Buckeye  13 13 Oct17
81 Red-spotted Purple  22 1 4 2 1
82 Viceroy 15 17 17
Subfamily APATURINAE
83 Hackberry Butterfly = Hackberry Emperor 1 4 2 1
84 Tawny Emperor  9 4 2
Subfamily SATYRINAE
85 Appalachian Eyed Brown  15 17
86 Little Wood Satyr  5
87 Common Wood Nymph  29 5
Subfamily DANAINAE
88 Monarch 21 2 6 5 1 6 Oct  6
Monthly Totals 2 22 43 52 46 40 33 22
Yearly butterfly species sightings in Lancaster County, Pennsylvania
2009 (67)
2010 (72)
2011 (70)
2012 (79)
2013 (75)
2014 (__)
2015 (60)
2016 (64)
2017 (61)
2018 (---)
Contributors to this year's sightings for Lancaster County are: Fred Habegger, Denis  Quinn, Tom Raub, Mike Slater, Jim Smith, Ray Uhlig, Lois Vedock.
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/)