
| 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 | . | . | . | . | . | . | . | . | 7 | 17 | 33 | 14 | 4 | . | . | . | . | . | . | |||||||
| Large Skipper | 44 | . | . | . | . | . | . | 2 | 3 | 12 | 12 | 3 | 8 | 1 | . | . | . | . | . | . | |||||||
| Dingy Skipper | NI | . | . | . | 2 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Clouded Yellow | 3 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | |||||||
| Brimstone | 18 | 6 | 6 | . | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||
| Large White | NI | . | . | . | 3 | . | 15 | 6 | . | . | 1 | 2 | 4 | 8 | 10 | 2 | 2 | 1 | . | . | |||||||
| Small White | NI | . | . | . | 4 | 1 | 5 | 5 | 1 | 1 | 29 | 65 | 65 | 60 | 29 | 28 | 200 | 33 | . | 2 | |||||||
| Green-veined White | NI | . | . | 1 | 3 | . | . | . | . | 1 | . | . | 6 | 11 | . | . | 1 | . | . | . | |||||||
| Orange Tip | NI | . | . | . | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Green Hairstreak | NI | . | . | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Copper | NI | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 2 | 6 | |||||||
| Small Blue | 30 | . | . | . | 1 | 1 | 5 | 1 | 2 | 1 | 2 | 1 | 1 | 7 | 2 | . | . | . | . | . | |||||||
| Brown Argus | 22 | . | . | . | . | . | . | . | 1 | . | . | . | . | 1 | 2 | 1 | 7 | 3 | 2 | . | |||||||
| Common Blue | 143 | . | . | . | . | 3 | 7 | 2 | 4 | 2 | . | 1 | 1 | 19 | 26 | 25 | 12 | 9 | 3 | . | |||||||
| Chalk-hill Blue | 21 | . | . | . | . | . | . | . | . | . | . | 1 | 2 | 5 | 4 | 5 | 1 | . | . | . | |||||||
| Red Admiral | 36 | . | . | . | 1 | . | 1 | . | 1 | . | 2 | . | . | 3 | 8 | 2 | 5 | 5 | 1 | . | |||||||
| Painted Lady | 23 | . | . | . | . | . | 1 | 1 | . | . | 3 | 1 | 6 | 3 | 4 | 1 | . | . | . | . | |||||||
| Small Tortoiseshell | 66 | . | . | . | 1 | . | . | . | . | 2 | 7 | 9 | 1 | . | 3 | 13 | 14 | 1 | . | . | |||||||
| Peacock | 7 | . | 1 | . | . | . | . | . | . | . | . | . | 3 | . | 2 | . | . | . | . | . | |||||||
| Speckled Wood | 191 | . | . | 3 | 7 | . | 7 | 4 | 4 | 1 | 1 | 3 | 10 | 16 | 11 | 30 | 25 | 20 | 9 | 2 | |||||||
| Wall Brown | 15 | . | . | . | 1 | . | . | . | . | . | . | . | . | 2 | 8 | 2 | . | . | . | . | |||||||
| Marbled White | 179 | . | . | . | . | . | . | . | 2 | 21 | 62 | 58 | 33 | 1 | 1 | . | . | . | . | . | |||||||
| Gatekeeper / Hedge Brown | 284 | . | . | . | . | . | . | . | . | . | 62 | 76 | 46 | 48 | 25 | 17 | 1 | . | . | . | |||||||
| Meadow Brown | 418 | . | . | . | . | . | . | . | 16 | 57 | 94 | 97 | 66 | 56 | 12 | 8 | . | . | . | . | |||||||
| Small Heath | 82 | . | . | . | . | 2 | 4 | 7 | 5 | 19 | 6 | 8 | 1 | . | . | 4 | 8 | . | . | 2 | |||||||
| Ringlet | 18 | . | . | . | . | . | . | . | 1 | 2 | 7 | 6 | 1 | . | . | . | . | . | . | . | |||||||