Total number of butterfly individuals and species counted on treatment units. Data are totals of 5 census counts.
| Treatment | ||||||
|---|---|---|---|---|---|---|
| Common Species | Handcutting | Mowing | Mowing plus herbicide | Stem-Foliage | Foliage | Total |
| Number of Individuals | ||||||
| Cabbage White (Pieris rapae) | 32 | 37 | 31 | 29 | 47 | 176 |
| Little Wood-Satyr (Megisto cymela) | 20 | 47 | 22 | 37 | 20 | 146 |
| Great Spangled Fritillary (Speyaria cybele) | 21 | 24 | 23 | 30 | 16 | 114 |
| Eastern Tailed-Blue (Everes comyntas) | 5 | 1 | 12 | 20 | 3 | 41 |
| European Skipper (Thymelicus lineola) | 4 | 4 | 7 | 0 | 9 | 24 |
| Eastern Tiger Swallowtail (Papilio glaucus) | 6 | 7 | 3 | 2 | 5 | 23 |
| Meadow Fritillary (Beloria bellona) | 4 | 3 | 6 | 2 | 4 | 19 |
| Black Swallowtail (Papilio polyxenes) | 4 | 2 | 3 | 4 | 3 | 16 |
| Peck’s Skipper (Polites peckius) | 2 | 7 | 1 | 2 | 1 | 13 |
| Dun Skipper (Euphyes vestris) | 0 | 2 | 4 | 6 | 1 | 13 |
| Pearl Crescent (Phyciodes horos) | 1 | 6 | 1 | 1 | 2 | 11 |
| Silver-spotted Skipper (Epargyreus clarus) | 6 | 2 | 0 | 1 | 0 | 9 |
| Spring Azure (Celastrinus argiolus) | 1 | 1 | 0 | 3 | 3 | 8 |
| Spicebush Swallowtail (Papilio troilus) | 2 | 0 | 3 | 4 | 0 | 9 |
| Clouded Sulphur (Colias philodice) | 1 | 0 | 1 | 4 | 1 | 7 |
| Number of common individuals | 109 | 143 | 117 | 145 | 115 | 629 |
| Number of common species | 14 | 13 | 13 | 14 | 13 | 15 |
| Painted Lady (Vanessa virginiensis) | 0 | 1 | 0 | 3 | 0 | 4 |
| American Copper (Lycaena phlaeas) | 0 | 0 | 1 | 0 | 1 | 2 |
| Common Wood Nymph (Cercyonis pegala) | 1 | 0 | 0 | 0 | 0 | 1 |
| Coral Hairstreak (Satyrium titus) | 0 | 2 | 1 | 0 | 0 | 3 |
| Common Sootywing (Pholisora catullus) | 0 | 0 | 0 | 1 | 0 | 1 |
| Eastern Comma (Polygonia comma) | 0 | 0 | 1 | 0 | 1 | 2 |
| Gray Hairstreak (Stryon melinus) | 0 | 1 | 0 | 0 | 0 | 1 |
| Hoary Edge (Achalarus lyciades) | 0 | 0 | 1 | 0 | 0 | 1 |
| Hobomok Skipper (Poanes hobomok) | 0 | 0 | 3 | 1 | 1 | 5 |
| Juvenal’s Duskywing (Erynnis juvnealis) | 2 | 0 | 0 | 0 | 0 | 2 |
| Least Skipper (Ancyloxypha numitor) | 0 | 1 | 0 | 0 | 2 | 3 |
| Little Glassywing (Pompeius verna) | 1 | 0 | 2 | 3 | 0 | 6 |
| Monarch (Danaus plexippus) | 1 | 0 | 0 | 0 | 0 | 1 |
| Mulberry Wing (Poanes massasoit) | 0 | 0 | 0 | 0 | 1 | 1 |
| Orange Sulphur (Colias eurytheme) | 1 | 2 | 0 | 0 | 1 | 4 |
| Southern Cloudywing (Thorybes pathyllus) | 0 | 0 | 1 | 0 | 0 | 1 |
| Viceroy (Limenitis archippus) | 1 | 1 | 2 | 1 | 0 | 5 43 |
| Number of infrequent individuals | 7 | 8 | 12 | 9 | 7 | |
| Number of infrequent species | 6 | 6 | 8 | 5 | 6 | 17 |
| Total number of individuals | 116 | 151 | 129 | 154 | 122 | 672 |
| Total number of all species | 20 | 19 | 21 | 19 | 19 | 32 |