| Species | Butterflies | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
| Alfalfa Butterfly |
25 |
0 |
0 |
8 |
9 |
2 |
2 |
0 |
2 |
2 |
0 |
| American Copper |
47 |
0 |
1 |
1 |
3 |
13 |
24 |
3 |
0 |
1 |
1 |
| American Painted Lady |
30 |
1 |
7 |
1 |
2 |
15 |
2 |
1 |
1 |
0 |
0 |
| American Snout |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
| Appalachian Eyed Brown |
219 |
4 |
26 |
14 |
19 |
30 |
40 |
26 |
14 |
20 |
26 |
| Baltimore |
474 |
16 |
2 |
12 |
16 |
18 |
108 |
36 |
39 |
14 |
213 |
| Banded Hairstreak |
43 |
1 |
1 |
0 |
23 |
6 |
4 |
0 |
3 |
2 |
3 |
| Black Dash |
263 |
1 |
10 |
14 |
25 |
34 |
84 |
53 |
19 |
3 |
20 |
| Black Swallowtail |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
| Broad-winged Skipper |
181 |
3 |
6 |
6 |
20 |
41 |
41 |
17 |
24 |
7 |
16 |
| Bronze Copper |
4 |
2 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
| Buckeye |
5 |
0 |
0 |
0 |
2 |
0 |
3 |
0 |
0 |
0 |
0 |
| Cabbage White |
158 |
4 |
21 |
20 |
12 |
15 |
19 |
18 |
16 |
22 |
11 |
| Clouded Sulphur |
134 |
6 |
10 |
54 |
18 |
11 |
9 |
1 |
15 |
3 |
7 |
| Common Sootywing |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| Compton's Tortoise Shell |
10 |
1 |
0 |
2 |
4 |
0 |
0 |
2 |
1 |
0 |
0 |
| Crossline Skipper |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
| Delaware Skipper |
218 |
1 |
2 |
34 |
18 |
27 |
53 |
14 |
15 |
33 |
21 |
| Dion Skipper |
49 |
6 |
7 |
1 |
3 |
6 |
11 |
3 |
4 |
4 |
4 |
| Dorcas Copper |
642 |
21 |
154 |
45 |
72 |
95 |
82 |
58 |
82 |
6 |
27 |
| Dreamy Duskywing |
4 |
0 |
1 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
| Dun Skipper |
128 |
2 |
6 |
1 |
18 |
13 |
30 |
13 |
16 |
13 |
16 |
| Eastern Comma |
168 |
9 |
28 |
16 |
22 |
5 |
19 |
4 |
13 |
31 |
21 |
| Eastern-tailed Blue |
36 |
0 |
1 |
7 |
8 |
2 |
3 |
1 |
3 |
4 |
7 |
| Edward's Hairstreak |
223 |
1 |
1 |
7 |
16 |
35 |
11 |
9 |
79 |
15 |
49 |
| European Skipper |
45 |
18 |
13 |
3 |
4 |
3 |
0 |
2 |
1 |
0 |
1 |
| Eyed Brown |
102 |
7 |
6 |
3 |
7 |
9 |
22 |
13 |
14 |
8 |
13 |
| Giant Swallowtail |
55 |
0 |
3 |
9 |
2 |
2 |
16 |
3 |
0 |
13 |
7 |
| Gray Comma |
75 |
0 |
0 |
0 |
8 |
15 |
8 |
14 |
9 |
14 |
7 |
| Great Spangled Fritillary |
373 |
19 |
34 |
70 |
47 |
38 |
22 |
25 |
41 |
45 |
32 |
| Hackberry Butterfly |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
| Harris' Checkerspot |
42 |
4 |
2 |
5 |
11 |
5 |
2 |
3 |
3 |
4 |
3 |
| Harvester |
7 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
3 |
0 |
2 |
| Hobomok's Skipper |
170 |
4 |
15 |
7 |
27 |
34 |
39 |
20 |
10 |
1 |
13 |
| Hobomok's Skipper (Pocohantas) |
2 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
| Juvenal's Duskywing |
129 |
0 |
6 |
13 |
13 |
11 |
14 |
9 |
18 |
19 |
26 |
| Least Skipper |
63 |
1 |
1 |
5 |
7 |
6 |
17 |
8 |
5 |
4 |
9 |
| Leonard's Skipper |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
| Little Glassywing |
28 |
0 |
2 |
0 |
0 |
5 |
4 |
3 |
2 |
6 |
6 |
| Little Wood Satyr |
459 |
18 |
17 |
34 |
57 |
58 |
53 |
101 |
66 |
15 |
40 |
| Long Dash |
50 |
6 |
2 |
1 |
10 |
6 |
5 |
4 |
3 |
5 |
8 |
| Milbert's Tortoise Shell |
10 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
6 |
0 |
| Monarch |
74 |
8 |
1 |
10 |
3 |
11 |
6 |
3 |
2 |
8 |
22 |
| Mourning Cloak |
91 |
4 |
8 |
10 |
24 |
18 |
12 |
2 |
1 |
4 |
8 |
| Mulberry Wing |
212 |
11 |
22 |
16 |
21 |
13 |
48 |
18 |
35 |
12 |
16 |
| Mustard White |
256 |
2 |
6 |
25 |
26 |
51 |
28 |
27 |
15 |
39 |
37 |
| Northern Broken Dash |
81 |
7 |
13 |
2 |
13 |
4 |
23 |
2 |
2 |
13 |
2 |
| Northern Cloudywing |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| Northern Pearly Eye |
116 |
13 |
11 |
14 |
9 |
15 |
14 |
12 |
9 |
11 |
8 |
| Painted Lady |
16 |
0 |
0 |
0 |
0 |
16 |
0 |
0 |
0 |
0 |
0 |
| Pearl Crescent |
958 |
16 |
28 |
64 |
73 |
100 |
184 |
63 |
12 |
207 |
211 |
| Peck's Skipper |
10 |
1 |
0 |
0 |
0 |
2 |
3 |
2 |
0 |
0 |
2 |
| Pine Elfin |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
| Pipevine Swallowtail |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| Poweshiek Skipperling |
36 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
21 |
15 |
| Poweshiek Skipperling |
52 |
0 |
0 |
0 |
6 |
7 |
25 |
12 |
2 |
0 |
0 |
| Purplish Copper |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
| Question Mark |
98 |
2 |
2 |
26 |
10 |
16 |
5 |
4 |
15 |
6 |
12 |
| Red Admiral |
165 |
10 |
4 |
6 |
13 |
92 |
3 |
10 |
16 |
8 |
3 |
| Red-spotted Purple |
126 |
2 |
7 |
2 |
10 |
15 |
20 |
10 |
11 |
33 |
16 |
| Roadside Skipper |
49 |
0 |
0 |
2 |
2 |
9 |
19 |
10 |
0 |
4 |
3 |
| Silver-bordered Fritillary |
81 |
2 |
5 |
2 |
4 |
10 |
11 |
12 |
10 |
16 |
9 |
| Silver-spotted Skipper |
457 |
19 |
15 |
67 |
53 |
52 |
78 |
66 |
21 |
17 |
69 |
| Silvery Blue |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Silvery Checkerspot |
6 |
0 |
0 |
3 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
| Sleepy Duskywing |
61 |
0 |
8 |
0 |
2 |
1 |
9 |
22 |
1 |
7 |
11 |
| Southern Cloudywing |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| Spicebush Swallowtail |
181 |
4 |
3 |
24 |
7 |
6 |
54 |
24 |
6 |
20 |
33 |
| Spring Azure |
473 |
1 |
33 |
61 |
99 |
33 |
31 |
41 |
3 |
32 |
139 |
| Striped Hairstreak |
8 |
0 |
1 |
1 |
1 |
3 |
0 |
0 |
0 |
1 |
1 |
| Summer Azure |
225 |
0 |
7 |
39 |
20 |
40 |
5 |
12 |
17 |
64 |
21 |
| Tawny Edged Skipper |
18 |
0 |
1 |
0 |
0 |
6 |
2 |
5 |
1 |
3 |
0 |
| Tawny Emperor |
74 |
16 |
26 |
6 |
12 |
0 |
2 |
0 |
3 |
1 |
8 |
| Tiger Swallowtail |
196 |
4 |
3 |
20 |
18 |
13 |
29 |
32 |
11 |
22 |
44 |
| Tiger Swallowtail (Black) |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
| Viceroy |
124 |
5 |
7 |
23 |
13 |
11 |
20 |
15 |
5 |
18 |
7 |
| White Colias |
34 |
1 |
0 |
15 |
3 |
3 |
4 |
2 |
4 |
0 |
2 |
| Wild Indigo Duskywing |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| Wood Nymph |
201 |
9 |
17 |
4 |
13 |
12 |
22 |
16 |
33 |
26 |
49 |
