Butterflies of Lancaster County, Pennsylvania ---- Sightings in 2025
Photographs of Lancaster County Butterflies from 2013

(2012 photos)  (2011 photos)

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    The butterfly species with dates have been seen in Lancaster County, Pennsylvania this year. There are records of 114 species for Lancaster County. The list below includes all those seen in 2009 through 2018, a total of 90 species.  New species seen in 2025, but not in 2009 through 2024 will be added in red. (No data recorded in 2014) No species were added to the list in 2024.   
If you have a reliable sighting not on this list for 2024, please send an email to . If you are not sure, but have a photograph, please send it. Contributors are vital to this data. We will appreciate your help. 
Beginning in 2009 and since 2016 covering 12 months
Sightings in 2025 - 7 species so far (April - 6, March - 5, February - 0, January - 0)
(Latest new for year sightings: Gray Hairstreak, Tiger Swallowtail, Zebra Swallowtail, Spring Azure, E Comma, Cabbage White, Mourning Cloak.)
Updated 4/18/25
THIS YEAR'S CONTRIBUTORS (4) are listed at the bottom of the page.
Some highlights for 2025.
First butterfly of the year: Mourning Cloak seen by Beth Katz on March 9 and on the next day by Fred Habegger.
The day of the first sighting is listed for each month.
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 Southern Cloudywing 
5 Northern Cloudywing
6 Dreamy Duskywing 
7 Sleepy Duskywing
8 Juvenal's Duskywing 
9 Horace's Duskywing 
10 Wild Indigo Duskywing
11 Common Checkered Skipper 
12 Common Sootywing
13 Swarthy Skipper
14 Clouded Skipper
15 Least Skipper 
16 European Skipper 
17 Fiery Skipper 
18 Leonard's Skipper
19 Cobweb Skipper 
20 Indian Skipper
21 Peck's Skipper 
22 Tawny-edged Skipper
23 Crossline Skipper
24 Long Dash 
25 Northern Broken Dash 
26 Little Glassy Wing
27 Sachem
28 Delaware Skipper 
29 Mulberry Wing
30 Hobomok Skipper 
31 Zabulon Skipper 
32 Broad-winged Skipper
33 Black Dash 
34 Dun Skipper 
35 Dusted Skipper 
36 Ocola Skipper
Family PAPILIONIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
37 Pipevine Swallowtail 
38 Zebra Swallowtail  29 9
39 Black Swallowtail 
40 Giant Swallowtail 
41 Eastern Tiger Swallowtail  18
42 Spicebush Swallowtail
Family PIERIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
43 Cabbage Butterfly = Cabbage White  18 9
44 Falcate Orangetip
45 Clouded Sulphur 
46 Orange Sulphur
47 Cloudless Sulphur
48 Little Yellow
49 Sleepy Orange 
50 Dainty Sulphur 
Family LYCAENIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
51 Harvester 
52 American Copper 
53 Bronze Copper
54 Coral Hairstreak
55 Banded Hairstreak 
56 Red-banded Hairstreak
57 Juniper Hairstreak 
58 Brown Elfin 
59 Henry's Elfin
60 Pine Elfin
61 White-m Hairstreak 
62 Gray Hairstreak  18
63 Eastern Tailed Blue
64 Spring Azure  29 9
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 Regal Fritillary
71  Meadow Fritillary
72  Silvery Checkerspot
Subfamily NYMPHALINAE
73 Pearl Crescent
74 Baltimore 
75 Question Mark
76 Eastern Comma 27
77 Mourning Cloak  9 9
78 American Painted Lady 
79 Painted Lady 
80 Red Admiral
81 Buckeye 
82 Red-spotted Purple 
83 Viceroy
Subfamily APATURINAE
84 Hackberry Butterfly = Hackberry Emperor
85 Tawny Emperor 
Subfamily SATYRINAE
86 Appalachian Eyed Brown 
87 Little Wood Satyr 
87 Common Wood Nymph 
Subfamily DANAINAE
89 Monarch
Monthly Totals 5 6

Yearly butterfly sightings in Lancaster County, Pennsylvania
2009 (67)
2010 (72)
2011 (70)
2012 (79)
2013 (75)
2014 (__)
2015 (60)
2016 (62)
2017 (61)
2018 (57)
2019 (58)
2020 (53)
2021 (60)
2022 (56+)
2023 (58)
2024 (--)
2025 (--)
Contributors to this year's sightings are: Fred Habegger, Beth Katz, Robert Noll,
and Tony Schoch.
For Berks County, PA butterfly sightings go to Berks 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/)