
| 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 | ||||||||||||||||||||||||||
| Small Skipper | 56 | . | . | . | . | . | . | . | . | . | . | 2 | 12 | 18 | 14 | 4 | 4 | 1 | . | ||||||||
| Large Skipper | 97 | . | . | . | . | . | 1 | 4 | 49 | 11 | 15 | 4 | 2 | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 15 | . | . | . | . | . | 2 | 7 | 3 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Grizzled Skipper | 3 | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 17 | 1 | 7 | 1 | 4 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||||||
| Large White | 32 | . | . | . | . | 1 | 1 | 1 | . | . | . | . | . | . | 6 | 9 | 7 | 5 | . | ||||||||
| Small White | 34 | . | . | 5 | 7 | . | . | . | . | . | . | . | . | . | . | 10 | 3 | . | 2 | ||||||||
| Green-veined White | 387 | . | . | 8 | 43 | 51 | 20 | 15 | 6 | 2 | . | . | 1 | 13 | 77 | 50 | 22 | 8 | 6 | ||||||||
| Orange Tip | 320 | . | 2 | 30 | 85 | 53 | 32 | 14 | 3 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 14 | . | . | 4 | 4 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 449 | . | . | . | 1 | 70 | 69 | 12 | 9 | 2 | 2 | . | . | 3 | 11 | 42 | 65 | 41 | 33 | ||||||||
| Common Blue | 196 | . | . | . | . | . | 1 | 4 | 18 | 27 | 32 | 9 | 1 | 4 | 19 | 4 | 11 | 20 | 16 | ||||||||
| Holly Blue | NI | . | . | 1 | 4 | 1 | . | 1 | . | . | . | . | . | . | . | 1 | 1 | . | . | ||||||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||||||
| Small Tortoiseshell | 530 | 3 | 14 | 20 | 6 | 7 | 3 | . | . | 1 | 8 | 9 | 4 | 9 | 16 | 12 | 8 | 125 | 171 | ||||||||
| Peacock | 253 | 2 | 10 | 9 | 50 | 11 | 2 | . | 1 | . | . | . | . | . | 2 | 30 | 40 | 50 | 6 | ||||||||
| Comma | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | ||||||||
| Small Pearl-bordered Fritillary | 2 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Wall Brown | 102 | . | . | . | . | . | 1 | 5 | . | . | 1 | 1 | . | . | . | . | 6 | 24 | 41 | ||||||||
| Meadow Brown | 1594 | . | . | . | . | . | . | . | 62 | 175 | 133 | 239 | 230 | 184 | 196 | 124 | 59 | 4 | 1 | ||||||||
| Small Heath | 337 | . | . | . | . | . | 32 | 65 | 70 | 15 | 41 | 17 | 2 | . | 3 | 2 | 16 | 23 | 4 | ||||||||