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Return to Lancaster Butterflies & Entomological Club Home Page |
| 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.
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January - 0) (Latest new for year sightings: Swarthy Skipper, Little Wood Satyr, Red-spotted Purple, Red-banded Hairstreak, Question Mark, Sleepy Orange, Monarch, Peck's Skipper, Checkered Skipper, American Painted Lady, Zabulon Skipper.) Updated 5/28/25 |
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| 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 | 24 | 1 | |||||||||||
| 9 | Horace's Duskywing | |||||||||||||
| 10 | Wild Indigo Duskywing | 30 | ||||||||||||
| 11 | Common Checkered Skipper | 10 | ||||||||||||
| 12 | Common Sootywing | |||||||||||||
| 13 | Swarthy Skipper | 26 | ||||||||||||
| 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 | 10 | ||||||||||||
| 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 | 10 | ||||||||||||
| 31 | Zabulon Skipper | 10 | ||||||||||||
| 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 | 2 | ||||||||||
| 39 | Black Swallowtail | |||||||||||||
| 40 | Giant Swallowtail | |||||||||||||
| 41 | Eastern Tiger Swallowtail | 18 | 10 | |||||||||||
| 42 | Spicebush Swallowtail | 24 | 10 | |||||||||||
| 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 | 23 | 12 | |||||||||||
| 47 | Cloudless Sulphur | |||||||||||||
| 48 | Little Yellow | |||||||||||||
| 49 | Sleepy Orange | 1 | ||||||||||||
| 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 | 18 | ||||||||||||
| 57 | Juniper Hairstreak | |||||||||||||
| 58 | Brown Elfin | |||||||||||||
| 59 | Henry's Elfin | |||||||||||||
| 60 | Pine Elfin | |||||||||||||
| 61 | White-m Hairstreak | 20 | ||||||||||||
| 62 | Gray Hairstreak | 18 | ||||||||||||
| 63 | Eastern Tailed Blue | 30 | 2 | |||||||||||
| 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 | 28 | 6 | |||||||||||
| 72 | Silvery Checkerspot | |||||||||||||
| Subfamily NYMPHALINAE | ||||||||||||||
| 73 | Pearl Crescent | 30 | 3 | |||||||||||
| 74 | Baltimore | |||||||||||||
| 75 | Question Mark | 17 | ||||||||||||
| 76 | Eastern Comma | 27 | ||||||||||||
| 77 | Mourning Cloak | 9 | 9 | |||||||||||
| 78 | American Painted Lady | 10 | ||||||||||||
| 79 | Painted Lady | |||||||||||||
| 80 | Red Admiral | 20 | 25 | |||||||||||
| 81 | Buckeye | |||||||||||||
| 82 | Red-spotted Purple | 17 | ||||||||||||
| 83 | Viceroy | |||||||||||||
| Subfamily APATURINAE | ||||||||||||||
| 84 | Hackberry Butterfly = Hackberry Emperor | |||||||||||||
| 85 | Tawny Emperor | |||||||||||||
| Subfamily SATYRINAE | ||||||||||||||
| 86 | Appalachian Eyed Brown | |||||||||||||
| 87 | Little Wood Satyr | 25 | ||||||||||||
| 87 | Common Wood Nymph | |||||||||||||
| Subfamily DANAINAE | ||||||||||||||
| 89 | Monarch | 11 | ||||||||||||
| Monthly Totals | 5 | 15 | 21 |
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