
| 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 | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Dingy Skipper | 21 | . | . | . | 6 | 9 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Brimstone | 14 | 7 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 3 | . | . | . | . | ||||||
| Large White | 18 | . | . | . | 1 | 3 | 1 | 1 | . | . | . | . | . | 3 | 1 | . | 4 | . | . | . | . | ||||||
| Small White | 20 | . | 1 | . | 4 | 2 | 1 | . | . | . | . | . | 2 | 4 | . | 3 | . | . | 1 | . | . | ||||||
| Green-veined White | 12 | . | . | 3 | . | . | . | . | . | . | . | . | . | . | 1 | . | 4 | . | . | . | . | ||||||
| Orange Tip | 19 | 3 | 7 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Northern Brown Argus | 2 | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | ||||||
| Common Blue | 11 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | 7 | . | 2 | . | . | . | . | ||||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | ||||||
| Small Tortoiseshell | 9 | . | . | 1 | . | . | . | . | . | . | . | . | 3 | 1 | . | . | . | . | 1 | . | . | ||||||
| Peacock | 19 | 6 | 3 | 4 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | ||||||
| Comma | 9 | . | . | . | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | 3 | . | . | ||||||
| High Brown Fritillary | 2 | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | ||||||
| Speckled Wood | 52 | 2 | 2 | . | . | 2 | 4 | 1 | 4 | 3 | 2 | 1 | . | . | . | . | 7 | . | . | 4 | 10 | ||||||
| Wall Brown | 18 | . | . | . | 8 | 3 | . | . | . | . | . | . | . | . | . | 2 | 2 | . | . | . | . | ||||||
| Meadow Brown | 170 | . | . | . | . | . | . | 2 | 20 | 16 | 30 | 37 | 23 | 10 | 24 | 7 | 1 | . | . | . | . | ||||||