
| 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 | ||||||||||||||||||||||||||
| Small Skipper | . | . | . | . | . | . | . | . | . | 13 | 59 | 25 | 21 | 11 | . | . | . | . | ||||||||
| Silver-spotted Skipper | . | . | . | . | . | . | . | . | . | . | . | 1 | 8 | 17 | 8 | 2 | . | . | ||||||||
| Large Skipper | . | . | . | . | . | . | . | . | . | . | 4 | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | . | . | 1 | 12 | 5 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Grizzled Skipper | . | 1 | 1 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 2 | 3 | 7 | 5 | . | . | 1 | . | . | . | 4 | 6 | 10 | 10 | 5 | 3 | . | . | ||||||||
| Large White | . | . | . | . | . | 1 | . | . | . | . | . | 9 | 2 | 2 | 5 | 1 | . | . | ||||||||
| Small White | . | . | . | . | . | . | . | . | . | . | 8 | 4 | 5 | 10 | 5 | 5 | . | . | ||||||||
| Green-veined White | . | . | . | . | 2 | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | ||||||||
| Orange Tip | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | . | . | . | 1 | 1 | . | . | . | . | . | 5 | 1 | 2 | 1 | . | . | . | . | ||||||||
| Brown Argus | . | . | . | . | . | 1 | . | . | . | . | 2 | 3 | . | 4 | 6 | 3 | . | . | ||||||||
| Common Blue | . | . | . | . | 2 | 57 | 43 | 14 | 10 | . | 1 | 5 | 8 | 28 | 71 | 45 | 6 | 4 | ||||||||
| Chalk-hill Blue | . | . | . | . | . | . | . | . | . | . | 16 | 16 | 39 | 17 | 9 | . | . | . | ||||||||
| Holly Blue | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | ||||||||
| Small Tortoiseshell | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 11 | ||||||||
| Peacock | 5 | 5 | 1 | . | . | . | . | . | . | . | 1 | . | 6 | 3 | . | . | . | . | ||||||||
| Comma | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | 1 | ||||||||
| Dark Green Fritillary | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | ||||||||
| Speckled Wood | . | 2 | 2 | . | . | 2 | 4 | 2 | 1 | 1 | . | . | . | . | . | 3 | 1 | . | ||||||||
| Marbled White | . | . | . | . | . | . | . | 2 | 55 | 67 | 18 | 16 | 8 | . | . | . | . | . | ||||||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | . | . | 8 | 8 | 5 | 5 | 4 | 2 | . | . | ||||||||
| Meadow Brown | . | . | . | . | . | . | 17 | 82 | 88 | 101 | 145 | 266 | 203 | 148 | 187 | 174 | 44 | 27 | ||||||||
| Small Heath | . | . | . | . | 4 | 2 | 15 | 32 | 26 | 26 | 4 | 5 | 3 | 3 | . | 2 | . | . | ||||||||
| Ringlet | . | . | . | . | . | . | . | 17 | 48 | 41 | 1 | 4 | 1 | . | 1 | . | . | . | ||||||||