
| 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 | 9 | 8 | 2 | . | . | . | . | . | . | |||||||||
| Large Skipper | . | . | . | . | . | . | . | 3 | 2 | . | . | . | . | . | . | . | . | |||||||||
| Dingy Skipper | . | . | . | 1 | 18 | 4 | 4 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Grizzled Skipper | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Clouded Yellow | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | . | . | |||||||||
| Brimstone | 2 | 1 | 2 | 2 | . | . | . | . | 1 | . | 2 | . | . | . | 1 | 1 | . | |||||||||
| Large White | . | . | . | . | . | . | . | . | 10 | 10 | 1 | 3 | . | . | . | . | . | |||||||||
| Small White | . | . | . | 2 | . | 3 | 2 | 5 | 22 | 27 | 11 | 20 | 8 | . | . | 1 | 1 | |||||||||
| Green-veined White | . | . | . | . | 3 | 1 | 3 | . | 6 | 4 | 5 | . | 2 | . | . | . | . | |||||||||
| Orange Tip | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Copper | . | . | . | . | 1 | . | . | . | . | . | 2 | . | 1 | . | . | . | . | |||||||||
| Small Blue | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Brown Argus | . | . | . | . | 3 | 2 | 6 | 5 | . | . | 2 | 1 | 1 | 1 | . | . | . | |||||||||
| Common Blue | . | . | . | . | . | 12 | 11 | 24 | . | . | 4 | 7 | 2 | 5 | 6 | 4 | 3 | |||||||||
| Chalk-hill Blue | . | . | . | . | . | . | . | . | 11 | 127 | 82 | 22 | 11 | 4 | 2 | . | . | |||||||||
| Adonis Blue | . | . | . | . | . | . | 1 | 2 | . | . | . | . | . | . | . | . | . | |||||||||
| Red Admiral | . | . | . | . | . | . | . | . | 5 | 1 | . | . | . | . | . | . | . | |||||||||
| Painted Lady | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | 1 | . | . | . | |||||||||
| Small Tortoiseshell | . | 3 | . | 5 | 1 | . | . | 3 | 17 | 1 | . | . | 5 | 12 | 18 | 11 | 21 | |||||||||
| Peacock | 5 | 2 | 9 | 1 | 2 | . | 2 | . | 12 | 18 | 6 | 3 | . | 2 | 3 | 1 | 1 | |||||||||
| Dark Green Fritillary | . | . | . | . | . | . | . | . | . | 2 | 1 | . | . | . | . | . | . | |||||||||
| Speckled Wood | . | . | 2 | . | . | 13 | 4 | 1 | . | . | 1 | 3 | 24 | 13 | . | 5 | . | |||||||||
| Wall Brown | . | . | . | . | 3 | . | . | . | . | . | 7 | . | 1 | . | . | . | . | |||||||||
| Marbled White | . | . | . | . | . | . | . | 41 | 28 | 4 | . | . | . | . | . | . | . | |||||||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | 3 | 4 | . | 1 | . | . | . | . | . | |||||||||
| Meadow Brown | . | . | . | . | . | . | . | 56 | 124 | 330 | 282 | 236 | 101 | 70 | 56 | 4 | 1 | |||||||||
| Small Heath | . | . | . | . | . | 17 | 18 | 32 | 7 | . | . | . | 1 | 1 | 4 | 1 | . | |||||||||
| Ringlet | . | . | . | . | . | . | . | 18 | 1 | . | . | . | . | . | . | . | . | |||||||||