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Butterflies of Lancaster County, Pennsylvania  --  Sightings in 2009

     The butterfly species in bold have been seen in Lancaster County, Pennsylvania in 2009. There are records of 109 species for Lancaster County. The list below includes all those on the Butterflies and Moths of North America web page for Lancaster County, PA. The date is the first reported.
If you have a reliable sighting not on this list for 2009, please send an email to .
We plan to do a Lancaster County species count for 2010 and you are welcome to help. Contact the webmaster at the address above. 
Sightings in 2009   (67 species)  --- Last updated on 9/20/09
The species count is low, since data was first requested on 8/3/09.
Thanks to Fred Habegger for the initial 51 sightings and to Fred Habegger, Ray Uhlig, Al Spoo, Eric Witmer, and Karl Gardner for additional sightings.
  Lancaster County, Pennsylvania - 2009

 Family HESPERIIDAE (Skippers)
Silver-spotted Skipper       5/7
Long-tailed Skipper 
Golden Banded-Skipper 
Hoary Edge 
Northern Cloudywing       5/25
Southern Cloudywing 
Hayhurst's Scallopwing 
Dreamy Duskywing            5/20
Sleepy Duskywing              5/3
Juvenal's Duskywing       4/16
Horace's Duskywing         8/13
Mottled Duskywing 
Wild Indigo Duskywing   5/21
Columbine Duskywing 
Grizzled Skipper 
Checkered Skipper              8/17
Common Sootywing         8/4
Swarthy Skipper               8/15
Clouded Skipper 
Least Skipper                   5/20
European Skipper           6/14
Fiery Skipper                   8/17
Leonard's Skipper 
Cobweb Skipper             5/8
Indian Skipper 
Sachem                            7/11
Peck's Skipper                5./16
Tawny-edged Skipper    7/15
Crossline Skipper 
Long Dash 
Northern Broken-Dash 
Little Glassywing         6/19
Delaware Skipper 
Hobomok Skipper        5/21
Zabulon Skipper          6/6
Mulberry Wing             6/30
Black Dash 
Two-spotted Skipper 
Dun Skipper                  6/23
Dusted Skipper             5/8
Pepper and Salt Skipper 
Common Roadside-Skipper 
Ocola Skipper 

 Family PAPILIONIDAE (Swallowtails)
Pipevine Swallowtail          9/19
Zebra Swallowtail               4/16
Black Swallowtail                5/9
Eastern Tiger Swallowtail 4/26
Spicebush Swallowtail       5/9
Giant Swallowtail              8/30

 Family PIERIDAE  (Whites & Sulphurs)
Checkered White 
Cabbage White              3/31
West Virginia White 
Falcate Orangetip         4/16
Clouded Sulphur          5/2
Orange Sulphur            4/16
Cloudless Sulphur 
Little Yellow 
Sleepy Orange              6/25
Dainty Sulphur 

 Family LYCAENIDAE  (Gossamer-winged Butterflies)
Harvester 
American Copper          5/13 
Bronze Copper               7/7
Juniper Hairstreak        5/20
Brown Elfin                   4/16
Frosted Elfin 
Eastern Pine Elfin 
Southern Hairstreak 
Coral Hairstreak 
Edwards' Hairstreak 
Banded Hairstreak          6/22
Striped Hairstreak 
Red-banded Hairstreak  5/21
Gray Hairstreak               7/2
White M Hairstreak        5/21
Eastern Tailed-Blue        5/7
Spring Azure                   4/5
Summer Azure                7/15
Appalachian Azure 

  Family NYMPHALIDAE (Brushfooted Butterflies)

 Subamily LIBYTHEINAE  (Snouts)
Snout Butterfly               9/13

 Subfamily NYMPHALINAE (Brushfooted Butterflies)
Gulf Fritillary 
Variegated Fritillary           7/11
Great Spangled Fritillary   6/6
Aphrodite Fritillary 
Regal Fritillary 
Silver-bordered Fritillary 
Meadow Fritillary              4/23
Silvery Checkerspot            7/7
Pearl Crescent                     5/7
Baltimore                            6/21
Common Buckeye              7/7
Question Mark                   7/26
Eastern Comma                3/22
Gray Comma 
Milbert's Tortoiseshell 
Compton Tortoiseshell 
Mourning Cloak              3/17
Red Admiral                    6/8
Painted Lady                    5/9
American Lady                4/26
Red-spotted Purple        5/20 
Viceroy                             6/8

 Subfamily APATURINAE  (Hackberry Butterflies)
Hackberry Butterfly      6/27
Tawny Emperor             8/27

 Subfamily SATYRINAE  (Satrys & Wood Nymphs)
Northern Pearly Eye 
Eyed Brown 
Appalachian Brown        6/27
Little Wood Satyr            5/28
Common Wood Nymph  7/11

 Subfamily DANAINAE  (Milkweed Butterflies)
Monarch                          5/20

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 (61)
2022 (56+)
2023 (58)
2024 (--)
For Berks County, PA butterfly sightings go to Berks Butterfly Sightings - 2009.
A site with data on butterfly distributions by county (and photographs) for North America can be found at Butterflies and Moths of NA.