
| 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 | ||||||||||||||||||||||||||
| Large White | 13 | . | . | . | . | . | . | . | 3 | . | 1 | . | 1 | 3 | 1 | 1 | . | . | . | ||||||||
| Small White | NI | . | . | . | . | . | 1 | . | . | . | . | . | 6 | 12 | 4 | 2 | 3 | . | . | ||||||||
| Green-veined White | 218 | 3 | 1 | 8 | 22 | 20 | 2 | 7 | 1 | . | 8 | 17 | 25 | 30 | 30 | 4 | 2 | 1 | . | ||||||||
| Small Copper | NI | . | . | . | . | . | 2 | 2 | . | . | . | . | 1 | 1 | 4 | 2 | 1 | . | . | ||||||||
| Northern Brown Argus | 16 | . | . | . | . | . | . | . | . | 8 | 3 | 5 | . | . | . | . | . | . | . | ||||||||
| Common Blue | 63 | . | . | . | . | . | . | 5 | 8 | 18 | 9 | 5 | 4 | 2 | 2 | . | . | . | . | ||||||||
| Red Admiral | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Small Tortoiseshell | 34 | 2 | . | . | . | . | . | . | . | . | . | 6 | 9 | 11 | 2 | . | . | 2 | . | ||||||||
| Grayling | 73 | . | . | . | . | . | . | . | . | 4 | 3 | 12 | 15 | 7 | 12 | 14 | 4 | . | . | ||||||||
| Meadow Brown | 486 | . | . | . | . | . | . | . | . | . | 16 | 71 | 128 | 108 | 70 | 40 | 30 | 4 | . | ||||||||
| Small Heath | 86 | . | . | . | . | . | 4 | 6 | 3 | 5 | 7 | 8 | 19 | 17 | 5 | . | . | . | . | ||||||||