
| 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 | NI | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||
| Large Skipper | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Dingy Skipper | 6 | . | . | 1 | . | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Grizzled Skipper | 12 | . | 4 | 2 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Clouded Yellow | 7 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 2 | 1 | . | . | . | 1 | |||||||
| Brimstone | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | |||||||
| Large White | 22 | . | . | 1 | . | . | . | . | . | . | . | . | 1 | 6 | 2 | 5 | . | 1 | . | . | |||||||
| Small White | 37 | . | . | . | . | . | . | 2 | 1 | . | . | 1 | 2 | . | 3 | . | 9 | . | 8 | 1 | |||||||
| Green-veined White | 8 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Orange Tip | 4 | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Green Hairstreak | 3 | . | . | . | . | . | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Copper | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | |||||||
| Brown Argus | 22 | . | . | 3 | 3 | 3 | 1 | 3 | . | . | . | . | . | 1 | . | 2 | 1 | 1 | . | . | |||||||
| Common Blue | 310 | . | . | 8 | 12 | 21 | 64 | 41 | 11 | . | . | . | . | 20 | 18 | 62 | 1 | 2 | 7 | 2 | |||||||
| Chalk-hill Blue | 374 | . | . | . | . | . | . | . | . | . | . | 1 | 9 | 69 | 113 | 100 | 19 | 2 | 5 | . | |||||||
| Adonis Blue | 19 | . | . | . | . | . | 15 | 8 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Red Admiral | 25 | . | . | 2 | . | 1 | 1 | 1 | 1 | . | 1 | . | 1 | 2 | 4 | 1 | 1 | 2 | 2 | . | |||||||
| Painted Lady | 57 | . | . | . | 1 | 2 | 5 | 21 | 6 | 6 | 1 | 4 | 1 | . | . | 2 | 2 | . | . | . | |||||||
| Small Tortoiseshell | 12 | . | 1 | 1 | . | . | . | . | 1 | 3 | . | . | . | . | 3 | 1 | . | . | . | . | |||||||
| Peacock | NI | 2 | 5 | . | 1 | . | . | . | . | . | . | . | 1 | . | 1 | . | 1 | . | . | . | |||||||
| Comma | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | |||||||
| Dark Green Fritillary | 17 | . | . | . | . | . | . | . | . | . | . | 4 | 2 | 1 | 2 | . | . | . | . | . | |||||||
| Wall Brown | 20 | . | 2 | 5 | 3 | 2 | . | . | . | . | . | . | . | . | 2 | . | . | . | 1 | . | |||||||
| Marbled White | 111 | . | . | . | . | . | . | . | . | . | 13 | 52 | 4 | . | . | . | . | . | . | . | |||||||
| Grayling | 13 | . | . | . | . | . | . | . | . | . | . | . | 3 | 2 | 5 | . | 1 | . | . | . | |||||||
| Gatekeeper / Hedge Brown | 80 | . | . | . | . | . | . | . | . | . | . | 3 | 27 | 15 | 7 | 6 | . | . | . | . | |||||||
| Meadow Brown | 554 | . | . | . | . | . | . | . | . | 3 | 7 | 60 | 29 | 56 | 101 | 113 | 26 | 5 | 9 | 3 | |||||||
| Small Heath | 417 | . | . | 4 | 4 | 1 | 17 | 8 | 24 | 27 | 12 | 17 | 2 | 2 | 11 | 20 | 64 | 32 | 48 | 9 | |||||||