
| 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 | . | . | . | . | . | . | . | . | . | . | 6 | . | 2 | . | . | . | . | |||||||||
| Dingy Skipper | 12 | 2 | . | 2 | 2 | . | 4 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Large White | . | . | . | . | . | . | . | . | . | . | . | . | . | 8 | . | . | 8 | |||||||||
| Small White | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 6 | |||||||||
| Green-veined White | . | . | . | . | 6 | . | . | . | . | . | . | . | . | 8 | 6 | . | . | |||||||||
| Green Hairstreak | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Northern Brown Argus | . | . | . | . | . | . | . | . | . | . | . | 66 | 2 | 46 | 4 | . | . | |||||||||
| Common Blue | . | . | . | . | . | . | . | . | 4 | 14 | 104 | 120 | 64 | 100 | 66 | 24 | 4 | |||||||||
| Duke of Burgundy Fritillary | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Red Admiral | . | . | . | . | 2 | . | . | . | . | . | . | 6 | 6 | . | 2 | . | 66 | |||||||||
| Painted Lady | . | . | . | . | . | . | . | . | . | . | . | 10 | . | 2 | . | . | . | |||||||||
| Small Tortoiseshell | . | . | . | . | . | . | . | . | . | . | . | 76 | 12 | 6 | . | . | 6 | |||||||||
| Peacock | 2 | . | . | . | . | 4 | . | . | . | . | . | 2 | . | 2 | . | . | . | |||||||||
| Small Pearl-bordered Fritillary | . | . | . | . | . | . | . | 86 | 86 | 124 | 342 | 38 | . | . | . | . | . | |||||||||
| Pearl-bordered Fritillary | . | . | 2 | . | 2 | 116 | 54 | 10 | . | 32 | 20 | . | . | . | . | . | . | |||||||||
| High Brown Fritillary | . | . | . | . | . | . | . | . | . | . | . | 374 | 146 | 272 | 90 | 2 | . | |||||||||
| Dark Green Fritillary | . | . | . | . | . | . | . | . | . | . | 84 | 26 | . | 10 | 2 | . | . | |||||||||
| Grayling | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | 12 | 18 | . | |||||||||
| Meadow Brown | . | . | . | . | . | . | . | . | . | . | 4 | 62 | 36 | 52 | 42 | 4 | . | |||||||||
| Small Heath | . | . | . | . | . | . | 2 | 14 | 14 | 22 | 82 | 98 | 18 | 124 | 64 | 10 | 2 | |||||||||