
| 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 | NI | . | . | . | . | . | . | . | . | . | 4 | 5 | 18 | 7 | 10 | . | 3 | . | . | . | |||||||
| Essex Skipper | NI | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||||
| Brimstone | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | |||||||
| Large White | 23 | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | 13 | 1 | . | . | |||||||
| Small White | 16 | . | . | . | . | 2 | . | . | . | . | . | . | 2 | 2 | 1 | 1 | 4 | . | . | . | |||||||
| Small Copper | 10 | . | . | . | . | . | 2 | 1 | . | . | . | . | . | . | . | 2 | 2 | . | . | 1 | |||||||
| Brown Argus | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | |||||||
| Common Blue | 81 | . | . | . | . | . | . | . | 11 | 6 | 10 | 2 | 3 | . | . | 2 | 21 | 2 | 2 | . | |||||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||
| Painted Lady | 7 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | 1 | 2 | . | . | |||||||
| Small Tortoiseshell | 16 | . | . | . | . | . | . | . | . | . | . | 1 | 2 | . | . | 1 | 6 | . | 1 | 1 | |||||||
| Peacock | 15 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 4 | 4 | 3 | . | . | 1 | |||||||
| Wall Brown | 37 | . | . | . | . | 1 | 2 | 1 | . | . | . | . | . | . | 1 | 4 | 17 | 1 | . | . | |||||||
| Grayling | 44 | . | . | . | . | . | . | . | . | . | . | 2 | 3 | 14 | 5 | 3 | 5 | . | . | . | |||||||
| Gatekeeper / Hedge Brown | 73 | . | . | . | . | . | . | . | . | . | . | 1 | 21 | 9 | 12 | 9 | 4 | . | . | . | |||||||
| Meadow Brown | 270 | . | . | . | . | . | . | . | . | 4 | 35 | 30 | 72 | 29 | 12 | 10 | 18 | . | . | . | |||||||
| Small Heath | 69 | . | . | . | . | . | . | 1 | 8 | 7 | 13 | 13 | 12 | 1 | . | . | 1 | . | . | . | |||||||