
| 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 | . | . | . | . | . | . | . | 4 | 2 | 12 | 2 | 14 | . | . | . | . | . | |||||||||
| Large Skipper | . | . | . | . | . | . | 4 | . | . | 2 | . | . | . | . | . | . | . | |||||||||
| Grizzled Skipper | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Clouded Yellow | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | |||||||||
| Brimstone | . | . | . | . | . | 2 | . | . | . | . | 8 | . | . | . | . | . | . | |||||||||
| Large White | . | . | . | 2 | 8 | 4 | . | . | . | 6 | 4 | . | 4 | . | . | . | . | |||||||||
| Small White | . | . | . | 2 | 6 | . | 4 | . | . | 16 | 8 | . | . | 4 | 4 | . | 18 | |||||||||
| Green-veined White | . | . | 4 | 6 | 2 | 8 | . | . | 6 | 54 | 54 | . | 28 | . | 6 | 12 | . | |||||||||
| Orange Tip | 24 | 34 | 14 | 10 | 2 | . | 2 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Copper | . | . | 8 | . | 2 | 2 | 2 | . | . | 2 | 2 | 12 | 18 | 2 | 2 | 14 | 14 | |||||||||
| Common Blue | . | . | . | 2 | 18 | 46 | 32 | 2 | 2 | 2 | . | 2 | 120 | 12 | 18 | 8 | . | |||||||||
| Holly Blue | . | . | 2 | . | . | . | . | . | 4 | . | 2 | . | 8 | . | . | . | . | |||||||||
| Red Admiral | . | . | . | . | . | . | . | . | 2 | . | . | 2 | 8 | 2 | . | 4 | 2 | |||||||||
| Small Tortoiseshell | . | . | . | 2 | . | . | . | . | 2 | 4 | . | 2 | . | . | . | . | . | |||||||||
| Peacock | 4 | . | . | . | . | . | . | . | . | 4 | 10 | . | . | . | . | . | . | |||||||||
| Small Pearl-bordered Fritillary | . | . | . | . | . | 8 | 4 | . | 2 | . | . | . | 6 | . | . | . | . | |||||||||
| Speckled Wood | . | 2 | . | 16 | 8 | 2 | 2 | . | . | 4 | . | 12 | 20 | 14 | 8 | 14 | 2 | |||||||||
| Wall Brown | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Marbled White | . | . | . | . | . | . | . | . | . | 20 | 6 | . | . | . | . | . | . | |||||||||
| Grayling | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | |||||||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | . | 8 | 10 | 240 | 36 | 18 | . | . | . | |||||||||
| Meadow Brown | . | . | . | . | . | . | 26 | 330 | 454 | 408 | 338 | 946 | 42 | 8 | . | 12 | . | |||||||||
| Small Heath | . | . | . | . | . | 2 | . | . | 2 | 2 | 2 | . | 6 | 2 | . | . | . | |||||||||
| Ringlet | . | . | . | . | . | . | . | . | 8 | 10 | 24 | . | . | . | . | . | . | |||||||||