
| 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 | 266 | . | . | . | . | 5 | 3 | 4 | 31 | 86 | 71 | 24 | 34 | 2 | 2 | . | . | . | . | ||||||||
| Large Skipper | 25 | . | . | . | . | . | 10 | 7 | . | . | 2 | 1 | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 28 | . | 1 | 9 | 4 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Grizzled Skipper | 10 | . | 1 | 3 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 17 | . | . | 3 | 3 | . | 2 | 1 | . | . | . | . | 2 | . | . | 2 | . | . | . | ||||||||
| Large White | 36 | . | . | . | 2 | 1 | . | . | . | . | . | 5 | 11 | 7 | 3 | 2 | . | 2 | . | ||||||||
| Small White | 36 | . | . | . | 1 | . | . | . | . | 1 | 1 | 6 | 2 | 5 | 4 | 3 | 3 | 3 | 2 | ||||||||
| Green-veined White | 4 | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 1 | . | . | . | . | ||||||||
| Orange Tip | 17 | . | 4 | 5 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 10 | . | 1 | 2 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | . | . | . | ||||||||
| Small Blue | NI | . | . | . | . | 2 | . | . | 1 | . | . | . | . | . | 1 | . | . | . | . | ||||||||
| Brown Argus | 29 | . | . | 2 | 3 | 6 | 3 | . | . | . | . | . | 1 | 1 | 2 | 2 | 1 | . | . | ||||||||
| Common Blue | 105 | . | . | . | 10 | 20 | 10 | 5 | 3 | 1 | . | . | 4 | 2 | 3 | 10 | 12 | 2 | 1 | ||||||||
| Chalk-hill Blue | 792 | . | . | . | . | . | . | . | 7 | 47 | 200 | 178 | 198 | 97 | 40 | 19 | 4 | 1 | . | ||||||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||||
| Painted Lady | 4 | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | 1 | ||||||||
| Small Tortoiseshell | 189 | 1 | 1 | . | 1 | 1 | 8 | 8 | 1 | 4 | 3 | 7 | 2 | 3 | 24 | 24 | 32 | 25 | 12 | ||||||||
| Peacock | 59 | 4 | 4 | 4 | 1 | . | . | . | . | . | . | 5 | 26 | 4 | 3 | 1 | . | . | . | ||||||||
| Dark Green Fritillary | 3 | . | . | . | . | . | . | . | . | 2 | . | . | 1 | . | . | . | . | . | . | ||||||||
| Speckled Wood | 10 | . | . | . | . | 1 | . | . | 1 | . | . | 1 | 1 | 1 | 3 | . | 1 | . | . | ||||||||
| Wall Brown | 36 | . | . | . | 1 | . | . | . | . | . | . | 1 | 1 | 12 | 12 | 4 | 4 | . | . | ||||||||
| Marbled White | 669 | . | . | . | . | . | 12 | 88 | 255 | 166 | 97 | 27 | 17 | 1 | . | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 80 | . | . | . | . | . | . | . | . | 4 | 15 | 23 | 17 | 11 | 9 | 1 | . | . | . | ||||||||
| Meadow Brown | 1528 | . | . | . | . | 1 | 120 | 109 | 179 | 190 | 320 | 185 | 215 | 87 | 25 | 15 | 10 | 7 | . | ||||||||
| Small Heath | 53 | . | . | 3 | 16 | 7 | 4 | 1 | 4 | . | 1 | . | . | . | . | . | 1 | . | . | ||||||||
| Ringlet | 56 | . | . | . | . | . | 5 | 21 | 22 | 5 | . | . | . | . | . | . | . | . | . | ||||||||