
| 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 | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 8 | 17 | 1 | . | . | ||||||||
| Dingy Skipper | 22 | . | . | . | 1 | 8 | 6 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Large White | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Small White | 10 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | ||||||||
| Green-veined White | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | ||||||||
| Green Hairstreak | 12 | . | 3 | 3 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Blue | 15 | . | . | . | . | 2 | 1 | 1 | . | 1 | 1 | 1 | . | . | . | . | . | . | . | ||||||||
| Brown Argus | 2 | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Common Blue | 17 | . | . | . | . | . | 1 | 1 | . | . | 1 | . | . | . | . | 2 | 1 | . | . | ||||||||
| Chalk-hill Blue | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Adonis Blue | 75 | . | . | . | . | . | . | 1 | 21 | 3 | 1 | . | . | . | . | . | 3 | 6 | . | ||||||||
| Small Tortoiseshell | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | ||||||||
| Peacock | 23 | . | 1 | . | . | . | 1 | . | . | . | . | . | . | 1 | 7 | 2 | . | . | . | ||||||||
| Speckled Wood | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | ||||||||
| Wall Brown | 22 | . | . | . | . | 2 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Marbled White | 80 | . | . | . | . | . | . | . | . | . | 3 | 14 | 15 | 1 | 7 | 2 | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 8 | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 2 | . | . | . | ||||||||
| Meadow Brown | 266 | . | . | . | . | . | . | . | . | 1 | 13 | 17 | 18 | 7 | 36 | 33 | 11 | 1 | . | ||||||||
| Small Heath | 17 | . | . | . | . | 1 | . | . | . | . | 1 | 3 | 2 | . | . | . | 1 | . | . | ||||||||
| Ringlet | 33 | . | . | . | . | . | . | . | . | . | 2 | 11 | 10 | . | . | . | . | . | . | ||||||||
| Six-spot Burnet | NI | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | 1 | . | . | . | ||||||||
| Burnet Companion | NI | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||