
| 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 | 190 | . | . | . | . | . | . | . | . | 29 | 70 | 25 | 13 | 5 | . | . | . | . | |||||||||
| Large Skipper | 19 | . | . | . | . | . | . | . | 5 | 2 | 4 | 4 | . | . | . | . | . | . | |||||||||
| Dingy Skipper | 10 | . | . | 1 | . | 3 | 4 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Grizzled Skipper | 6 | . | . | . | 1 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Brimstone | 21 | . | 3 | 3 | 2 | 1 | 2 | . | . | . | . | 1 | 3 | . | . | . | . | 2 | |||||||||
| Large White | 21 | . | . | . | 2 | 2 | 2 | . | . | . | . | 3 | 6 | 2 | . | . | . | 1 | |||||||||
| Small White | 17 | . | . | . | . | . | . | 1 | . | . | . | . | 4 | 7 | 1 | 2 | . | . | |||||||||
| Green-veined White | 2 | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Orange Tip | 8 | . | 2 | . | 4 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Green Hairstreak | 5 | . | . | . | 1 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Blue | NI | . | . | . | . | . | . | 1 | 2 | . | . | . | 1 | . | . | . | . | . | |||||||||
| Brown Argus | NI | . | . | . | . | . | . | 1 | . | . | . | . | . | 1 | . | 2 | 1 | . | |||||||||
| Common Blue | 241 | . | . | . | . | . | 5 | 3 | 2 | . | . | 5 | 71 | 52 | 48 | 32 | . | . | |||||||||
| Chalk-hill Blue | 415 | . | . | . | . | . | . | . | . | 2 | 74 | 154 | 44 | 24 | 2 | . | . | . | |||||||||
| Small Tortoiseshell | 16 | 2 | . | 2 | 1 | . | . | . | . | . | . | 3 | 1 | . | . | . | 2 | 1 | |||||||||
| Peacock | 35 | 6 | . | 1 | 1 | 1 | . | . | . | . | . | 5 | 11 | 4 | . | . | . | . | |||||||||
| Comma | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | |||||||||
| Speckled Wood | 7 | . | . | . | . | . | . | . | . | . | 1 | 1 | 1 | . | . | 2 | . | . | |||||||||
| Wall Brown | 75 | . | . | . | 1 | 2 | 4 | . | . | . | . | 1 | 16 | 22 | 18 | 5 | . | . | |||||||||
| Marbled White | 563 | . | . | . | . | . | . | 1 | 18 | 246 | 162 | 34 | 3 | . | . | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 87 | . | . | . | . | . | . | . | . | 4 | 25 | 15 | 14 | 6 | 3 | . | . | . | |||||||||
| Meadow Brown | 788 | . | . | . | . | . | . | 24 | 62 | 197 | 148 | 119 | 44 | 27 | 12 | 6 | . | . | |||||||||
| Small Heath | 38 | . | . | . | . | 2 | 3 | 4 | . | 1 | 3 | 1 | 2 | 5 | 3 | 5 | . | . | |||||||||
| Ringlet | 67 | . | . | . | . | . | . | . | 12 | 29 | 13 | 4 | . | . | . | . | . | . | |||||||||