| State | County | Site | Route | Number of Surveys | Number of Species |
|---|---|---|---|---|---|
| IL | DuPage | Belmont Prairie | Old Route | 7 | 15 |
| IL | Kane | Bliss Woods | Old Route 1987 | 11 | 19 |
| IL | Cook | Bluff Spring Fen | Old Route | 6 | 36 |
| IL | Kane | Dick Young | Nelson Lake Marsh | 6 | 21 |
| IL | Kane | Lone Grove | Old Route | 3 | 20 |
| IL | Lee | Nachusa Grasslands | Old Route | 3 | 17 |
| IL | Lake | Ryerson Conservation Area | Main Route | 11 | 12 |
| IL | Cook | Somme | Old Prairie Grove | 1 | 13 |
| IL | DuPage | West Chicago Prairie | 1989 Route | 3 | 21 |
| IL | Cook | Wolf Road Prairie | Main Route | 4 | 13 |
Illinois Butterfly Monitoring Network
The Illinois Butterfly Monitoring Network engages citizen scientists in the process of collecting quantitative data on butterfly populations.