
| 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 | 289 | . | . | . | . | . | . | . | . | . | . | . | . | . | 22 | 57 | 98 | 41 | 65 | 7 | 3 | . | . | ||||
| Large Skipper | 168 | . | . | . | . | . | . | . | . | . | . | 4 | 26 | 42 | 50 | 14 | 25 | 14 | 3 | . | . | . | . | ||||
| Dingy Skipper | 2 | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Grizzled Skipper | 10 | . | . | . | . | . | 1 | 2 | . | 1 | 4 | 2 | . | . | . | . | . | . | . | . | . | . | . | ||||
| Wood White | 14 | . | . | . | . | . | 2 | 1 | . | . | 2 | 5 | 3 | 3 | . | . | . | . | . | . | . | . | . | ||||
| Brimstone | 12 | 5 | 6 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | ||||
| Large White | 61 | . | . | . | . | . | . | . | 2 | . | 2 | . | . | . | . | 1 | 6 | 18 | 12 | 8 | 2 | 2 | 4 | ||||
| Small White | 351 | . | . | . | 1 | 1 | 1 | . | 3 | . | 1 | 1 | 1 | . | . | 3 | 15 | 10 | 29 | 74 | 11 | 174 | 42 | ||||
| Green-veined White | 19 | . | . | . | . | . | 1 | 3 | . | 2 | . | . | . | . | . | . | . | . | . | 8 | 1 | 6 | . | ||||
| Orange Tip | 3 | . | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Purple Hairstreak | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 2 | . | ||||
| Small Copper | 8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 1 | 4 | . | ||||
| Brown Argus | 8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | . | 4 | . | ||||
| Common Blue | 180 | . | . | . | . | . | . | . | . | 2 | 5 | 8 | 2 | 1 | 1 | . | 1 | 2 | 19 | 91 | 37 | 39 | 3 | ||||
| Red Admiral | 14 | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | 1 | 3 | . | . | . | 1 | 2 | 1 | 3 | ||||
| Painted Lady | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | . | 1 | . | . | 2 | ||||
| Small Tortoiseshell | 226 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 5 | 4 | 1 | 1 | 3 | 118 | 68 | 35 | 16 | ||||
| Peacock | 102 | 1 | 3 | . | 2 | . | . | . | . | . | . | 1 | . | . | . | . | 16 | 40 | 28 | 6 | 3 | . | . | ||||
| Comma | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | ||||
| Small Pearl-bordered Fritillary | 4 | . | . | . | . | . | . | . | . | . | 1 | 2 | . | 1 | . | . | . | . | . | . | . | . | . | ||||
| Dark Green Fritillary | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||
| Silver-washed Fritillary | 40 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 6 | 8 | 12 | 12 | . | . | . | ||||
| Marsh Fritillary | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Speckled Wood | 266 | . | 1 | 1 | . | . | 3 | 5 | 3 | 9 | 12 | 24 | 8 | 11 | 3 | 2 | . | 6 | 5 | 13 | 38 | 71 | 53 | ||||
| Wall Brown | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 1 | 2 | ||||
| Marbled White | 205 | . | . | . | . | . | . | . | . | . | . | . | . | 4 | 29 | 73 | 36 | 29 | 11 | 1 | . | . | . | ||||
| Gatekeeper / Hedge Brown | 507 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7 | 147 | 165 | 132 | 48 | 8 | . | . | ||||
| Meadow Brown | 276 | . | . | . | . | . | . | . | . | . | . | 3 | 7 | 26 | 38 | 41 | 23 | 58 | 42 | 14 | 22 | 6 | . | ||||
| Small Heath | 15 | . | . | . | . | . | . | . | 1 | . | . | 2 | . | 3 | 2 | 1 | . | . | . | . | 1 | 4 | . | ||||
| Ringlet | 456 | . | . | . | . | . | . | . | . | . | . | . | . | 5 | 121 | 172 | 108 | 18 | 6 | . | . | . | . | ||||