
| APR | MAY | JUN | JUL | AUG | SEP | ||||||||||||||||||||||
| Week no. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | |
| Site | Ind | ||||||||||||||||||||||||||
| Green-veined White | NI | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Common Blue | 21 | . | . | . | . | . | . | . | . | . | . | 3 | 5 | 1 | 9 | . | . | . | . | . | . | . | . | ||||
| Red Admiral | 7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7 | 1 | . | ||||
| Small Tortoiseshell | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Peacock | 9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5 | 3 | ||||
| Small Pearl-bordered Fritillary | 28 | . | . | . | . | . | . | . | . | . | 4 | 7 | 7 | 3 | 2 | . | . | . | . | . | . | . | . | ||||
| Dark Green Fritillary | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | 1 | 2 | . | . | 1 | . | . | ||||
| Scotch Argus | 429 | . | . | . | . | . | . | . | . | . | . | . | 1 | 10 | 13 | 167 | 159 | 61 | 22 | . | 1 | . | . | ||||
| Meadow Brown | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5 | . | . | . | . | . | . | . | ||||
| Small Heath | 11 | . | . | . | . | . | . | . | . | 1 | 1 | 2 | 3 | . | . | 1 | . | . | . | . | . | . | . | ||||
| Chimney Sweeper | NI | . | . | . | . | . | . | . | . | . | 4 | 8 | 3 | 1 | 2 | . | . | . | . | . | . | . | . | ||||
| Common Heath | NI | . | . | . | . | . | 11 | . | 84 | 43 | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | ||||