
| 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 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||||
| Large Skipper | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||||
| Dingy Skipper | 1 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Brimstone | 9 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | 3 | 2 | . | |||||||
| Large White | 14 | . | . | . | 1 | . | 2 | 1 | 1 | . | . | . | . | . | 1 | 4 | 1 | 1 | . | . | |||||||
| Small White | 130 | . | . | . | 1 | . | . | 1 | . | . | . | 2 | 5 | 7 | 15 | 41 | 24 | 22 | 11 | . | |||||||
| Green-veined White | 13 | . | . | 3 | 2 | 1 | . | . | . | . | . | . | . | 1 | 2 | . | 1 | 1 | . | . | |||||||
| Orange Tip | 2 | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Copper | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 2 | . | |||||||
| Common Blue | 69 | . | . | . | . | . | 2 | 1 | 11 | 1 | 1 | . | . | . | 3 | 4 | 7 | 14 | 13 | . | |||||||
| Small Tortoiseshell | 17 | . | . | . | . | . | . | . | . | . | . | 1 | . | 8 | 6 | 2 | . | . | . | . | |||||||
| Peacock | 11 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 3 | 3 | . | . | |||||||
| Gatekeeper / Hedge Brown | 560 | . | . | . | . | . | . | . | . | . | . | 68 | 113 | 224 | 93 | 48 | 12 | 1 | 1 | . | |||||||
| Meadow Brown | 462 | . | . | . | . | . | . | . | 11 | 42 | 49 | 58 | 84 | 80 | 48 | 23 | 24 | 8 | 2 | . | |||||||
| Small Heath | 192 | . | . | . | . | . | 9 | 3 | 11 | 17 | 34 | 14 | 24 | 26 | 16 | 11 | 3 | 3 | . | . | |||||||
| Ringlet | 72 | . | . | . | . | . | . | . | . | 6 | 10 | 16 | 28 | 8 | 1 | . | . | . | . | . | |||||||