
| 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 Skipper | 7 | . | . | . | . | . | . | . | . | 4 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||
| Dingy Skipper | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Large White | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | ||||
| Green-veined White | 72 | . | 3 | 22 | 6 | . | 4 | . | . | 1 | 1 | . | 4 | 14 | 7 | 6 | 2 | 2 | . | . | . | . | . | ||||
| Orange Tip | 49 | 3 | 12 | 24 | 6 | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Small Copper | 10 | . | . | 1 | . | 1 | 3 | 1 | . | . | . | . | . | . | . | 1 | 1 | . | . | . | 1 | 1 | . | ||||
| Common Blue | 76 | . | . | . | . | . | . | . | . | 7 | 19 | 2 | 12 | 18 | 13 | 2 | 1 | 1 | . | 1 | . | . | . | ||||
| Red Admiral | 3 | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||
| Painted Lady | 3 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | 1 | 1 | . | . | . | . | ||||
| Small Tortoiseshell | NI | 3 | 4 | 1 | . | . | . | . | . | . | . | . | . | 1 | 2 | 5 | . | . | . | . | . | . | . | ||||
| Peacock | NI | 31 | 45 | 12 | 4 | . | . | . | . | 1 | . | . | . | . | 1 | 17 | 10 | 75 | 29 | 20 | 6 | 9 | 1 | ||||
| Small Pearl-bordered Fritillary | 48 | . | . | . | . | 2 | 8 | 2 | 1 | 18 | 12 | 1 | 4 | . | . | . | . | . | . | . | . | . | . | ||||
| Pearl-bordered Fritillary | 39 | . | . | 17 | 11 | 9 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Dark Green Fritillary | 5 | . | . | . | . | . | . | . | . | 3 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Wall Brown | 15 | . | . | . | . | 1 | 1 | 1 | . | 1 | . | . | . | . | . | . | 2 | . | 1 | 2 | 2 | 2 | 2 | ||||
| Meadow Brown | 53 | . | . | . | . | . | . | . | . | . | 15 | 5 | 20 | 8 | . | 4 | . | 1 | . | . | . | . | . | ||||
| Small Heath | 46 | . | . | . | 1 | 9 | 22 | 2 | 1 | 3 | 7 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||
| Ringlet | 268 | . | . | . | . | . | . | . | . | 7 | 36 | 60 | 117 | 38 | 7 | 3 | . | . | . | . | . | . | . | ||||