
| 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 | NI | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | ||||||||
| Large Skipper | 2 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | ||||||||
| Brimstone | 56 | 11 | . | 14 | 9 | 8 | 3 | . | . | . | . | 1 | . | . | 1 | . | 2 | 2 | 1 | ||||||||
| Large White | 34 | . | . | 2 | 1 | . | . | . | . | 4 | 2 | 2 | 3 | 4 | 1 | 3 | 2 | 4 | 1 | ||||||||
| Small White | NI | 1 | 2 | 8 | 6 | 4 | 4 | 7 | 5 | 3 | 3 | 2 | 3 | 8 | 4 | 6 | 4 | 8 | . | ||||||||
| Green-veined White | 76 | . | . | . | 4 | 4 | 3 | 8 | 2 | . | 1 | . | 4 | 6 | 1 | 9 | 5 | 7 | 8 | ||||||||
| Orange Tip | 36 | 4 | 1 | 10 | 6 | 4 | 6 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brown Argus | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Common Blue | 31 | . | . | . | . | . | . | . | 2 | . | . | . | . | 3 | 3 | 3 | 3 | 8 | 3 | ||||||||
| Holly Blue | 19 | . | . | 8 | 7 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 7 | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | 1 | 2 | . | ||||||||
| Small Tortoiseshell | 20 | 2 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | 9 | 3 | ||||||||
| Large Tortoiseshell | NI | . | . | . | . | . | . | . | . | . | . | 3 | . | . | . | . | . | . | . | ||||||||
| Peacock | 46 | 12 | 2 | 4 | 3 | 2 | 3 | . | . | . | 2 | . | . | . | 3 | 3 | . | 5 | 1 | ||||||||
| Comma | 14 | 1 | . | . | 1 | . | . | . | . | . | . | . | 4 | . | . | 2 | . | 1 | . | ||||||||
| Speckled Wood | 94 | 2 | . | . | . | . | . | . | . | 6 | 13 | 16 | 9 | 8 | . | 7 | 2 | 18 | 5 | ||||||||
| Wall Brown | 5 | . | . | . | 2 | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Marbled White | 61 | . | . | . | . | . | . | . | . | . | 8 | 16 | 11 | 19 | 1 | 4 | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 21 | . | . | . | . | . | . | . | . | . | . | . | . | 9 | 2 | 5 | . | . | . | ||||||||
| Meadow Brown | 148 | . | . | . | . | . | . | . | 3 | 3 | 14 | 33 | 19 | 43 | 2 | 13 | 5 | 1 | . | ||||||||
| Small Heath | 25 | . | . | . | . | . | . | 3 | 2 | . | 4 | . | . | 10 | . | 2 | . | . | . | ||||||||
| Ringlet | 14 | . | . | . | . | . | . | . | . | . | . | 2 | 6 | 2 | 1 | 2 | . | . | . | ||||||||