
| 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 | 33 | . | . | . | . | . | . | . | 1 | 4 | 1 | 8 | 8 | 2 | . | . | . | . | . | ||||||||
| Large Skipper | 39 | . | . | . | . | . | . | 2 | 12 | 6 | 4 | 2 | 1 | 3 | . | . | . | . | . | ||||||||
| Dingy Skipper | 33 | . | . | . | 1 | 5 | 8 | 7 | 5 | 4 | . | . | . | . | . | . | . | . | . | ||||||||
| Large White | NI | . | . | . | . | . | . | 1 | . | 1 | . | 1 | 2 | 2 | 3 | 6 | . | . | 3 | ||||||||
| Small White | 45 | . | 2 | . | . | 2 | 4 | 2 | 1 | . | 1 | . | 2 | 4 | 3 | 7 | . | 1 | 3 | ||||||||
| Green-veined White | NI | . | . | . | . | . | 2 | 1 | . | . | 1 | . | 2 | . | 4 | 2 | . | . | . | ||||||||
| Orange Tip | 6 | . | . | . | . | 3 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 3 | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | 1 | . | . | . | ||||||||
| Northern Brown Argus | 143 | . | . | . | . | . | . | 8 | 19 | 44 | 27 | 9 | 9 | . | . | 1 | . | . | . | ||||||||
| Common Blue | 206 | . | . | . | . | . | . | 24 | 33 | 33 | 35 | 12 | 4 | 6 | 3 | 5 | 1 | 2 | . | ||||||||
| Red Admiral | 8 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | 2 | 1 | 1 | . | ||||||||
| Painted Lady | 17 | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | 4 | 8 | 5 | . | ||||||||
| Small Tortoiseshell | NI | . | . | . | . | . | . | . | . | . | . | . | 1 | 7 | 1 | . | . | . | . | ||||||||
| Peacock | NI | 2 | 8 | 1 | 2 | 1 | . | 1 | . | . | . | . | . | . | 13 | 15 | 1 | 1 | 2 | ||||||||
| Wall Brown | 136 | . | . | . | 1 | 26 | 15 | 3 | 1 | . | . | . | . | 2 | 21 | 31 | 4 | 11 | . | ||||||||
| Meadow Brown | 127 | . | . | . | . | . | . | . | 1 | 3 | 10 | 22 | 22 | 20 | . | . | . | . | . | ||||||||
| Small Heath | 423 | . | . | . | . | . | . | 16 | 30 | 29 | 19 | 40 | 56 | 45 | 21 | 22 | 10 | 11 | . | ||||||||
| Ringlet | NI | . | . | . | . | . | . | . | . | 13 | 33 | 52 | 18 | 4 | . | . | . | . | . | ||||||||