
| 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 | ||||||||||||||||||||||||||
| Large Skipper | . | . | . | . | . | . | . | . | 7 | 15 | 1 | . | . | . | . | 1 | . | . | . | |||||||
| Brimstone | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 2 | . | . | . | |||||||
| Large White | . | . | . | . | . | 4 | . | . | . | . | . | . | . | . | 2 | 3 | . | . | . | |||||||
| Small White | . | . | . | 1 | . | 6 | 4 | 6 | 1 | 1 | . | 1 | 32 | . | 43 | 85 | 6 | . | 1 | |||||||
| Green-veined White | . | . | 2 | 1 | . | . | . | . | . | . | 1 | . | 13 | 5 | 5 | 2 | . | . | . | |||||||
| Orange Tip | . | . | . | 1 | 2 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Copper | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | . | 1 | . | . | . | |||||||
| Common Blue | . | . | . | . | . | 17 | 25 | 14 | 13 | 4 | . | . | 7 | 34 | 29 | 81 | 12 | 4 | . | |||||||
| Red Admiral | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||||
| Small Tortoiseshell | . | . | . | . | . | . | . | . | . | . | . | 2 | 7 | 4 | 5 | 1 | . | . | 1 | |||||||
| Peacock | 1 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | 3 | 8 | . | . | . | |||||||
| Comma | 1 | . | 1 | 1 | . | 1 | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | |||||||
| Speckled Wood | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||||
| Wall Brown | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | |||||||
| Marbled White | . | . | . | . | . | . | . | . | . | . | 2 | . | 3 | . | . | . | . | . | . | |||||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | . | . | . | 191 | 136 | 123 | 79 | 72 | . | . | . | |||||||
| Meadow Brown | . | . | . | . | . | . | . | . | 2 | 20 | 269 | 361 | 274 | 232 | 132 | 165 | 30 | 3 | 1 | |||||||
| Small Heath | . | . | . | . | . | 14 | 34 | 23 | 35 | 67 | 92 | 44 | 24 | 18 | 3 | 13 | 32 | 25 | 10 | |||||||
| Ringlet | . | . | . | . | . | . | . | . | . | 3 | 50 | 81 | 24 | 10 | 1 | 1 | . | . | . | |||||||