
| 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 | 8 | . | . | . | . | . | . | 1 | 1 | 1 | 3 | 1 | . | . | . | . | . | . | . | . | |||||||
| Large Skipper | 6 | . | . | . | . | . | 2 | . | . | . | 1 | 1 | 1 | . | . | . | . | . | . | . | |||||||
| Dingy Skipper | 2 | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Brimstone | 5 | 1 | 2 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | |||||||
| Large White | 24 | 5 | 2 | . | . | . | . | . | . | . | 3 | 1 | 3 | . | 4 | 4 | . | . | . | . | |||||||
| Small White | 9 | . | . | . | . | . | 1 | . | . | 1 | . | . | 1 | 1 | 1 | 2 | 1 | 1 | 1 | . | |||||||
| Green Hairstreak | 3 | . | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Common Blue | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Holly Blue | 12 | . | . | . | . | . | . | . | . | . | 2 | 1 | 5 | 3 | . | . | . | . | . | . | |||||||
| Red Admiral | 3 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | |||||||
| Painted Lady | 5 | . | . | . | . | . | . | . | . | . | 2 | . | . | . | 2 | . | . | . | . | . | |||||||
| Small Tortoiseshell | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 1 | |||||||
| Peacock | 6 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 1 | 1 | 1 | . | . | . | 1 | |||||||
| Speckled Wood | 10 | . | 1 | . | . | . | . | . | . | . | . | 2 | 3 | 2 | . | 2 | . | . | . | . | |||||||
| Grayling | 58 | . | . | . | . | . | . | . | . | . | 1 | 4 | 4 | 18 | 8 | 20 | 1 | 2 | . | . | |||||||
| Gatekeeper / Hedge Brown | 132 | . | . | . | . | . | . | . | . | 6 | 10 | 25 | 42 | 37 | 7 | 4 | 1 | 1 | . | . | |||||||
| Meadow Brown | 16 | . | . | . | . | . | . | . | . | . | 5 | 4 | 4 | . | 1 | . | . | . | . | . | |||||||
| Small Heath | 6 | . | . | . | . | . | 1 | . | . | . | 1 | 3 | . | . | . | . | . | . | . | . | |||||||