
| 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 | 27 | . | . | . | . | . | . | . | 2 | . | 2 | 1 | 21 | . | 1 | . | . | . | . | ||||||||
| Large Skipper | 47 | . | . | . | . | . | . | 1 | 5 | 16 | 10 | 15 | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 16 | . | . | 1 | . | 3 | 8 | 4 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 103 | 2 | 7 | 12 | 6 | 11 | 5 | 4 | 2 | . | . | . | 4 | 2 | 11 | 18 | 2 | 3 | . | ||||||||
| Large White | 51 | . | . | . | 1 | 1 | . | . | . | . | . | . | 2 | . | 4 | 25 | 2 | 2 | . | ||||||||
| Small White | 167 | . | . | 1 | . | 8 | . | . | 1 | 2 | . | . | 2 | 32 | 42 | 33 | 24 | . | 1 | ||||||||
| Green-veined White | 3 | . | . | 2 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||||
| Orange Tip | 2 | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 3 | . | . | . | . | . | 1 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Blue | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Brown Argus | 3 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 2 | . | . | . | ||||||||
| Common Blue | 64 | . | . | . | . | . | 4 | 3 | 5 | 2 | . | . | . | 1 | . | 9 | 11 | 10 | 2 | ||||||||
| Red Admiral | 5 | . | . | . | . | . | . | . | 3 | . | . | . | 1 | . | . | 1 | . | . | 1 | ||||||||
| Small Tortoiseshell | 22 | 1 | 2 | . | 1 | . | . | 1 | . | . | . | 1 | 1 | 5 | 4 | 1 | 1 | . | . | ||||||||
| Peacock | 36 | . | . | 2 | . | . | 1 | 1 | . | . | . | . | . | 2 | 5 | 15 | 3 | . | . | ||||||||
| Comma | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | ||||||||
| Speckled Wood | 40 | . | . | . | 3 | . | . | 4 | . | 1 | . | 3 | 1 | . | . | . | 3 | 5 | 9 | ||||||||
| Marbled White | 148 | . | . | . | . | . | . | . | . | . | 54 | 44 | 29 | 9 | 12 | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 168 | . | . | . | . | . | . | . | . | . | . | 16 | 57 | 30 | 26 | 21 | 5 | . | . | ||||||||
| Meadow Brown | 354 | . | . | . | . | . | . | . | . | 13 | 41 | 33 | 43 | 45 | 57 | 23 | 40 | 15 | 3 | ||||||||
| Small Heath | 106 | . | . | . | . | 7 | 7 | 16 | 7 | 15 | 7 | 5 | 1 | 5 | . | 2 | 2 | 14 | 5 | ||||||||
| Ringlet | 289 | . | . | . | . | . | . | . | . | 8 | 101 | 106 | 62 | 10 | 1 | 1 | . | . | . | ||||||||