
| 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 | 61 | . | . | . | . | . | . | . | . | 17 | 9 | 7 | 15 | 3 | . | 1 | . | 1 | . | ||||||||
| Large Skipper | 22 | . | . | . | . | . | 5 | 8 | 6 | 1 | . | . | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | NI | . | . | . | . | 3 | 6 | 6 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Large White | NI | . | . | . | 1 | 2 | 4 | 3 | . | . | 5 | 21 | 23 | 7 | 30 | 36 | 10 | 8 | 8 | ||||||||
| Small White | NI | . | . | . | . | . | 2 | 2 | . | 1 | 7 | 13 | 10 | 10 | 53 | 39 | 12 | 10 | . | ||||||||
| Green-veined White | NI | . | 1 | . | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 3 | 6 | 3 | 7 | 3 | 1 | 1 | . | ||||||||
| Orange Tip | NI | . | . | 1 | . | 3 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Northern Brown Argus | 157 | . | . | . | . | . | 15 | 29 | 29 | 38 | 9 | 10 | 8 | 1 | . | 2 | . | . | . | ||||||||
| Common Blue | 203 | . | . | . | . | . | 1 | 5 | 32 | 36 | 35 | 28 | 17 | 8 | 3 | 8 | 5 | 2 | 1 | ||||||||
| Red Admiral | 20 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | 6 | 2 | 7 | ||||||||
| Painted Lady | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Tortoiseshell | NI | 1 | . | 1 | . | . | . | . | . | 3 | 1 | 6 | 2 | 4 | 1 | 1 | . | . | . | ||||||||
| Peacock | NI | 11 | 1 | 3 | 1 | 1 | 1 | 1 | . | 1 | . | . | 3 | 18 | 44 | 10 | 4 | . | . | ||||||||
| Wall Brown | NI | . | . | . | . | . | 7 | 5 | . | . | . | . | . | 8 | 76 | 76 | 57 | 39 | 10 | ||||||||
| Meadow Brown | 225 | . | . | . | . | . | . | 1 | 8 | 31 | 30 | 37 | 54 | 11 | 5 | 3 | . | . | . | ||||||||
| Small Heath | 336 | . | . | . | . | . | 7 | 6 | 22 | 27 | 56 | 37 | 66 | 28 | 11 | 18 | 4 | 5 | 3 | ||||||||
| Ringlet | 156 | . | . | . | . | . | . | . | 12 | 113 | 8 | 10 | 2 | 5 | . | . | . | . | . | ||||||||