
| 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 | ||||||||||||||||||||||||||
| Large White | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Green-veined White | 10 | . | . | 2 | 2 | 3 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Orange Tip | 4 | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Common Blue | 25 | . | . | . | . | . | . | . | . | . | 3 | 4 | 5 | 7 | 3 | 4 | . | . | . | 1 | . | . | . | ||||
| Red Admiral | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | ||||
| Painted Lady | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | ||||
| Peacock | 24 | 4 | 2 | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | 2 | 1 | 3 | 2 | 1 | ||||
| Small Pearl-bordered Fritillary | 59 | . | . | . | . | . | . | . | 15 | 23 | 7 | 6 | 3 | 1 | 2 | . | . | . | . | . | . | . | . | ||||
| Dark Green Fritillary | 10 | . | . | . | . | . | . | . | . | . | . | . | 3 | 6 | . | . | 1 | . | . | . | . | . | . | ||||
| Mountain Ringlet | 1 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Scotch Argus | 253 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 32 | 72 | 90 | 30 | 9 | 2 | . | . | . | ||||
| Small Heath | 20 | . | . | . | . | . | . | . | 4 | 11 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||
| Large Heath | 1 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Chimney Sweeper | NI | . | . | . | . | . | . | 1 | . | . | 5 | 1 | 3 | . | . | . | . | . | . | . | . | . | . | ||||
| Common Heath | NI | . | . | . | 5 | 11 | 48 | 66 | 4 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||