Loudoun Wildlife Conservancy People and Wildlife Living in Harmony |
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Butterfly Count Summary Data
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“Butterflies—they are like dream flowers—childhood dreams—which have broken loose from their stalks and escaped into the sunshine. Air and angels.” - Miriam Rothschild
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Data 1997 through 2008
| Species | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
| Pipevine Swallowtail | 1 | 7 | 5 | 4 | 2 | 2 | 2 | 1 | 15 | |||
| Zebra Swallowtail | 5 | 10 | 13 | 17 | 38 | 43 | 24 | 23 | 28 | 6 | 53 | |
| Black Swallowtail | 8 | 6 | 14 | 13 | 4 | 8 | 50 | 11 | 15 | 28 | 11 | 40 |
| Giant Swallowtail | 1 | 3 | ||||||||||
| Eastern Tiger Swallowtail | 6 | 135 | 593 | 92 | 141 | 730 | 83 | 243 | 496 | 457 | 496 | 289 |
| Spicebush Swallowtail | 21 | 94 | 33 | 51 | 152 | 21 | 139 | 273 | 77 | 259 | 113 | |
| Checkered White | ||||||||||||
| Cabbage White | 567 | 227 | 753 | 363 | 369 | 1034 | 1125 | 448 | 1128 | 445 | 664 | 1013 |
| Falcate Orangetip | ||||||||||||
| Clouded Sulphur | 253 | 980 | 20 | 54 | 53 | 147 | 578 | 101 | 200 | 81 | 98 | 147 |
| Orange Sulpher | 82 | 31 | 24 | 27 | 21 | 56 | 127 | 31 | 35 | 60 | 58 | 131 |
| Cloudless Sulphur | 4 | 7 | 1 | |||||||||
| Little Yellow | ||||||||||||
| Sleepy Orange | 1 | 3 | 2 | 1 | 4 | |||||||
| Harvester | ||||||||||||
| American Copper | 18 | 3 | 10 | 3 | 1 | 4 | ||||||
| Coral Hairstreak | ||||||||||||
| Banded Hairstreak | 1 | 1 | 1 | 1 | 1 | 6 | 1 | |||||
| Striped Hairstreak | ||||||||||||
| Henry's Elfin | ||||||||||||
| Eastern Pine Elfin | ||||||||||||
| Juniper Hairstreak | 9 | 2 | 7 | |||||||||
| White M Hairstreak | 1 | |||||||||||
| Gray Hairstreak | 5 | 11 | 3 | 6 | 4 | 4 | 15 | 12 | 9 | |||
| Red-banded Hairstreak | 1 | 3 | 5 | 1 | 1 | 5 | 4 | 2 | 4 | 12 | ||
| Eastern-tailed Blue | 70 | 117 | 40 | 110 | 36 | 130 | 73 | 29 | 177 | 172 | 126 | 236 |
| Sping/Summer Azure | 2 | 11 | 8 | 8 | 7 | 31 | 41 | 23 | 14 | 16 | 9 | 45 |
| Appalachian Azure | ||||||||||||
| Silvery Blue | ||||||||||||
| American Snout | 3 | 4 | 3 | 3 | ||||||||
| Variegated Fritillary | 6 | 6 | 25 | 32 | 4 | 17 | 6 | 7 | 37 | 110 | 73 | 66 |
| Great Spangled Fritillary | 3 | 2 | 25 | 19 | 11 | 40 | 15 | 7 | 6 | 19 | 26 | 28 |
| Aphrodite Fritillary | ||||||||||||
| Regal Fritillary | ||||||||||||
| Meadow Fritillary | 72 | 2 | 48 | 14 | 1 | 18 | 25 | 17 | 813 | 112 | 9 | 24 |
| Silvery Checkerspot | 2 | 8 | 43 | 23 | 4 | 47 | 230 | 3 | 6 | 21 | ||
| Pearl Crescent | 53 | 145 | 35 | 55 | 5 | 231 | 50 | 315 | 932 | 177 | 76 | 112 |
| Northern Crescent | 2 | |||||||||||
| Question Mark | 14 | 5 | 9 | 2 | 80 | 8 | 9 | 2 | 2 | 13 | ||
| Eastern Comma | 8 | 5 | 4 | 8 | 93 | 10 | 8 | 2 | 2 | |||
| Mourning Cloak | 1 | 1 | ||||||||||
| American Lady | 1 | 9 | 3 | 3 | 2 | 1 | 1 | 6 | 4 | |||
| Painted Lady | 1 | 1 | 3 | 6 | 4 | 7 | 6 | 3 | ||||
| Red Admiral | 1 | 1 | 6 | 36 | 1 | 28 | 4 | 4 | 13 | |||
| Common Buckeye | 1 | 1 | 9 | 5 | 2 | 9 | 39 | 16 | 17 | |||
| Red-spotted Purple | 2 | 54 | 5 | 19 | 4 | 18 | 44 | 79 | 51 | 13 | 11 | 1 |
| Viceroy | 1 | 5 | 2 | 3 | 4 | 3 | 7 | 1 | 1 | 2 | 2 | |
| Hackberry Emperor | 3 | 6 | 2 | 7 | 25 | 4 | 43 | 11 | 4 | 8 | 6 | |
| Tawny Emperor | 6 | 6 | 3 | 9 | 10 | 10 | 8 | 3 | 3 | 2 | ||
| Northern Pearly-eye | 5 | 4 | 7 | 6 | 78 | 21 | 22 | 12 | 8 | |||
| Appalcian Brown | 2 | 2 | ||||||||||
| Little Wood-Satyr | 6 | |||||||||||
| Common Wood-nymph | 1 | 7 | 46 | 48 | 13 | 1 | 2 | 6 | ||||
| Monarch | 7 | 40 | 35 | 25 | 78 | 9 | 71 | 20 | 65 | 166 | 55 | 108 |
| Silver-spotted Skipper | 7 | 61 | 85 | 58 | 36 | 486 | 185 | 152 | 166 | 139 | 156 | 148 |
| Long-tailed Skipper | ||||||||||||
| Southern Cloudywing | 1 | 2 | 1 | 7 | ||||||||
| Northern Cloudywing | 1 | 3 | 2 | |||||||||
| Hayhurst's Scallopwing | 1 | 2 | 1 | 1 | 1 | 3 | 2 | 18 | 2 | |||
| Dreamy Duskywing | ||||||||||||
| Sleepy Duskywing | ||||||||||||
| Juvenal's Duskywing | 1 | 1 | ||||||||||
| Horace's Duskywing | 9 | 2 | 2 | 4 | 4 | 1 | 13 | 9 | 9 | 6 | 3 | |
| Mottled Duskywing | ||||||||||||
| Wild Indigo Duskywing | 1 | 3 | 1 | 1 | 17 | 1 | 4 | 23 | 2 | 2 | 1 | |
| Common Checkered Skipper | 7 | 3 | 3 | 4 | 19 | 23 | 2 | 9 | 7 | 1 | ||
| Common Sootywing | 11 | 5 | 6 | 7 | 1 | 5 | 7 | 15 | 2 | 3 | 2 | |
| Swarthy Skipper | 4 | 8 | 3 | 1 | ||||||||
| Clouded Skipper | 1 | |||||||||||
| Least Skipper | 21 | 57 | 23 | 28 | 62 | 65 | 93 | 40 | 23 | 28 | 43 | 63 |
| European Skipper | ||||||||||||
| Fiery Skipper | 2 | 1 | 7 | 2 | 7 | 2 | 4 | 3 | ||||
| Peck's Skipper | 7 | 10 | 28 | 9 | 52 | 3 | 81 | 149 | 73 | 64 | 18 | |
| Tawny-edged Skipper | 6 | 3 | 3 | 5 | 4 | 14 | 18 | 13 | 5 | |||
| Crossline Skipper | 1 | 1 | 2 | 3 | 4 | 1 | 4 | |||||
| Little Glassywing | 1 | 1 | 2 | 13 | 9 | 18 | 7 | 3 | ||||
| Sachem | 5 | 8 | 86 | 31 | 8 | 112 | 1 | 4 | 16 | 27 | 86 | 34 |
| Northern Broken-dash | 1 | 2 | 1 | 4 | 8 | 3 | ||||||
| Southern Broken-dash | ||||||||||||
| Delaware Skipper | ||||||||||||
| Hobomok Skipper | 1 | 1 | 1 | 4 | ||||||||
| Zabulon Skipper | 2 | 15 | 24 | 9 | 38 | 2 | 108 | 31 | 34 | 94 | 47 | |
| Dun Skipper | 1 | 8 | 1 | 3 | 3 | 15 | 2 | 17 | 8 | 11 | ||
| Ocola Skipper | ||||||||||||
| Total by Site | 1206 | 2004 | 2022 | 1181 | 1016 | 3633 | 2961 | 2242 | 5042 | 2452 | 2597 | 2903 |
| # Species | 27 | 39 | 39 | 45 | 35 | 49 | 45 | 54 | 50 | 47 | 47 | 55 |