Occurrence of 15 common butterfly species on the ROW at 5 census counts distributed over the growing season.
| CENSUS DATES | ||||||
|---|---|---|---|---|---|---|
| Species | 5/31 - 6/2 1996 | 6/19 - 6/20 1995 | 7/5 - 7/6 1995 | 7/22 - 7/23 1995 | 8/13 - 8/14 1995 | Total |
| Number of Individuals | ||||||
| Cabbage White | 1 | 102 | 24 | 47 | 2 | 176 |
| Little Wood-Satyr | 139 | 1 | 6 | 146 | ||
| Great Spangled Fritillary | 51 | 45 | 9 | 9 | 114 | |
| Eastern Tailed-Blue | 32 | 1 | 2 | 6 | 41 | |
| European Skipper | 19 | 5 | 24 | |||
| Eastern Tiger Swallowtail | 5 | 3 | 5 | 10 | 23 | |
| Meadow Fritillary | 11 | 4 | 4 | 19 | ||
| Black Swallowtail | 2 | 3 | 11 | 16 | ||
| Peck’s Skipper | 6 | 1 | 3 | 3 | 13 | |
| Dun Skipper | 9 | 3 | 1 | 13 | ||
| Pearl Crescent | 9 | 2 | 11 | |||
| Silver-spotted Skipper | 4 | 3 | 2 | 9 | ||
| Spring Azure | 4 | 2 | 2 | 8 | ||
| Spicebush Swallowtail | 9 | 9 | ||||
| Clouded Sulphur | 3 | 4 | 7 | |||
| Total | 192 | 200 | 113 | 82 | 42 | 629 |