
| 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 | 64 | . | . | . | . | . | . | . | 2 | 16 | 15 | 15 | 3 | 2 | 2 | . | . | . | . | . | . | . | . | ||||
| Dingy Skipper | 13 | . | . | . | . | . | 2 | 2 | 5 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Brimstone | 13 | . | 1 | . | 3 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 3 | 2 | 2 | . | . | ||||
| Large White | 21 | . | . | . | . | 5 | . | 3 | 3 | 1 | . | . | . | . | 1 | 5 | 1 | . | . | . | . | . | . | ||||
| Small White | 2 | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Green-veined White | 145 | . | . | . | 8 | 19 | 15 | 13 | 14 | 4 | 1 | . | 1 | 8 | 17 | 18 | 11 | . | 4 | 1 | . | 1 | . | ||||
| Orange Tip | 21 | . | . | . | 7 | 12 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | ||||
| Common Blue | 5 | . | . | . | . | . | . | . | 1 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Holly Blue | NI | . | 2 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Duke of Burgundy Fritillary | 4 | . | . | . | . | . | 2 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Red Admiral | 10 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | 4 | . | . | 3 | . | ||||
| Painted Lady | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | ||||
| Small Tortoiseshell | 5 | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | . | ||||
| Peacock | 78 | 18 | 9 | 11 | 12 | . | 2 | 3 | . | . | . | . | . | . | . | . | 2 | . | 7 | . | . | . | . | ||||
| Small Pearl-bordered Fritillary | 21 | . | . | . | . | . | . | . | 4 | 5 | 1 | 3 | 2 | . | 1 | . | . | . | . | . | . | . | . | ||||
| Pearl-bordered Fritillary | 247 | . | . | . | . | 33 | 29 | 56 | 56 | 30 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| High Brown Fritillary | 64 | . | . | . | . | . | . | . | . | . | . | 1 | 11 | 20 | 19 | 9 | 2 | . | 2 | . | . | . | . | ||||
| Wall Brown | 3 | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Scotch Argus | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||
| Grayling | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||
| Meadow Brown | 282 | . | . | . | . | . | . | . | . | . | 3 | 20 | 32 | 58 | 59 | 53 | 46 | 4 | 5 | 1 | 1 | . | . | ||||
| Small Heath | 11 | . | . | . | . | . | . | 2 | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||