
| 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 Skipper | 43 | . | . | . | . | . | . | . | . | 4 | 22 | 11 | 5 | 1 | 1 | . | . | . | . | ||||||||
| Dingy Skipper | 44 | . | . | . | . | 2 | 14 | 13 | 9 | 5 | . | 1 | . | . | . | . | . | . | . | ||||||||
| Brimstone | 94 | 10 | 5 | 5 | 6 | 4 | 8 | 2 | 3 | 1 | . | 2 | . | . | . | 2 | 9 | 10 | 20 | ||||||||
| Large White | 12 | . | . | . | . | . | 1 | 2 | . | . | . | 1 | . | 1 | . | 1 | . | 1 | 4 | ||||||||
| Small White | 19 | . | . | 13 | 1 | . | . | . | . | . | . | . | . | 1 | . | . | 1 | 1 | 2 | ||||||||
| Green-veined White | 62 | . | . | . | 4 | 8 | 14 | 3 | 1 | 1 | 1 | . | . | 2 | 2 | 10 | 2 | 2 | 2 | ||||||||
| Orange Tip | 14 | . | . | . | 1 | 2 | 11 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 39 | . | . | 4 | 3 | 13 | 17 | 1 | . | 1 | . | . | . | . | . | . | . | . | . | ||||||||
| Northern Brown Argus | 177 | . | . | . | . | . | . | 2 | 2 | 9 | 36 | 55 | 24 | 23 | 12 | 7 | . | . | . | ||||||||
| Common Blue | 15 | . | . | . | . | . | . | 4 | 3 | 2 | 2 | 1 | 1 | . | . | . | . | 2 | . | ||||||||
| Holly Blue | 1 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 19 | . | . | . | . | . | . | . | . | . | . | . | 6 | 1 | 1 | . | 6 | 3 | . | ||||||||
| Painted Lady | 49 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5 | 40 | 2 | ||||||||
| Small Tortoiseshell | 57 | 1 | 1 | 2 | . | 2 | . | . | 1 | . | . | . | 7 | 10 | 7 | 4 | 3 | 7 | 8 | ||||||||
| Peacock | 804 | 5 | 8 | 4 | 6 | 6 | 5 | . | . | . | . | . | . | . | . | 51 | 240 | 233 | 74 | ||||||||
| Comma | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 2 | 1 | ||||||||
| Small Pearl-bordered Fritillary | 65 | . | . | . | . | . | . | 3 | 10 | 20 | 32 | . | . | . | . | . | . | . | . | ||||||||
| Pearl-bordered Fritillary | 43 | . | . | . | . | 5 | 26 | 8 | 3 | . | 1 | . | . | . | . | . | . | . | . | ||||||||
| High Brown Fritillary | 63 | . | . | . | . | . | . | . | . | . | . | 3 | 21 | 14 | 9 | 9 | . | . | . | ||||||||
| Dark Green Fritillary | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||||||
| Speckled Wood | 187 | . | . | . | 9 | 12 | 12 | 1 | 1 | 8 | 14 | 24 | 15 | 16 | 8 | 8 | 8 | 24 | 15 | ||||||||
| Wall Brown | 54 | . | . | . | . | . | 4 | 3 | 3 | 3 | 3 | . | . | . | . | . | 5 | 10 | 21 | ||||||||
| Grayling | 7 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | 1 | . | 1 | 1 | ||||||||
| Meadow Brown | 723 | . | . | . | . | . | . | . | . | . | . | 14 | 175 | 152 | 100 | 125 | 25 | 16 | 3 | ||||||||
| Small Heath | 32 | . | . | . | . | 1 | 7 | 11 | 9 | . | . | 1 | . | 2 | . | . | . | . | . | ||||||||