
| 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 | 6 | . | . | . | . | . | . | . | . | . | 6 | . | . | . | . | . | . | . | . | ||||||||
| Large Skipper | 19 | . | . | . | . | . | 1 | 1 | 1 | 2 | . | 9 | . | . | . | . | . | . | . | ||||||||
| Clouded Yellow | 3 | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | ||||||||
| Large White | 18 | . | . | 1 | . | . | . | 2 | . | . | . | 2 | 3 | 1 | . | 2 | . | 1 | . | ||||||||
| Small White | NI | . | . | 1 | . | . | . | . | . | 3 | 2 | 7 | 16 | 7 | 8 | 6 | 1 | . | . | ||||||||
| Orange Tip | 4 | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||||||
| Small Copper | 42 | . | . | . | . | . | . | . | . | . | . | . | 5 | 2 | 1 | 3 | 6 | 7 | 7 | ||||||||
| Common Blue | NI | . | . | . | 1 | 1 | 1 | . | . | . | 1 | 7 | 16 | 4 | 7 | 4 | . | 1 | 1 | ||||||||
| Holly Blue | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | ||||||||
| Red Admiral | 32 | . | . | . | . | . | 1 | . | . | . | 5 | . | 6 | 1 | . | . | . | 1 | 2 | ||||||||
| Painted Lady | NI | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | ||||||||
| Small Tortoiseshell | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | 1 | . | . | . | ||||||||
| Peacock | NI | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | ||||||||
| Comma | NI | . | . | . | . | . | . | . | . | . | . | 2 | 2 | 1 | 1 | . | 1 | . | . | ||||||||
| Speckled Wood | 8 | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 1 | 1 | . | 2 | ||||||||
| Wall Brown | 3 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Marbled White | 30 | . | . | . | . | 1 | . | 6 | 7 | 5 | 2 | 5 | . | . | . | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 287 | . | . | . | . | . | . | . | 3 | 42 | 76 | 61 | 32 | 1 | . | . | . | . | . | ||||||||
| Meadow Brown | 94 | . | . | . | . | . | 2 | 19 | 15 | 16 | 12 | 13 | . | 4 | 1 | 1 | . | . | . | ||||||||
| Small Heath | NI | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||||||