
| 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 | 138 | . | . | . | . | . | . | . | . | . | . | . | 19 | 16 | 27 | 44 | 10 | 19 | . | . | . | . | |||||
| Large Skipper | 20 | . | . | . | . | 2 | . | 1 | 1 | . | 5 | 1 | 7 | 2 | 1 | 1 | . | . | . | . | . | . | |||||
| Dingy Skipper | 11 | . | . | . | 3 | 1 | 6 | 4 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Grizzled Skipper | 17 | . | . | . | . | 7 | 8 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Brimstone | 119 | 7 | 1 | 20 | 14 | 15 | 12 | . | 5 | . | . | . | . | . | 5 | 6 | 16 | 9 | 6 | 3 | . | . | |||||
| Large White | 54 | . | . | . | . | . | 6 | . | 4 | 1 | 1 | . | 1 | 1 | . | 8 | 4 | 5 | 1 | 14 | . | . | |||||
| Small White | 81 | . | . | . | . | . | 2 | . | 1 | . | 1 | . | . | 2 | . | 4 | 2 | 27 | 21 | 37 | 2 | . | |||||
| Green-veined White | 34 | . | . | . | . | 3 | 6 | . | 6 | . | . | . | . | . | . | 2 | 7 | 4 | . | 4 | . | . | |||||
| Orange Tip | 14 | . | . | 6 | 4 | . | . | . | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Brown Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||
| Purple Hairstreak | 28 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 6 | 10 | 12 | . | . | . | . | |||||
| Small Copper | 118 | . | . | . | . | 2 | 7 | 4 | 5 | 1 | . | . | . | . | . | 4 | 24 | 13 | 6 | 23 | 16 | 7 | |||||
| Brown Argus | 9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7 | . | . | . | . | |||||
| Common Blue | 148 | . | . | . | . | 3 | . | . | 4 | . | 5 | 2 | 1 | 1 | 1 | . | 11 | 45 | 13 | 29 | 1 | 1 | |||||
| Holly Blue | 12 | . | . | 1 | 1 | . | 1 | . | . | 2 | . | . | . | . | . | 2 | 4 | 1 | . | . | . | . | |||||
| White Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | |||||
| Red Admiral | 26 | . | . | 2 | . | . | . | . | . | 2 | . | . | . | 2 | . | . | . | 1 | 5 | 14 | . | . | |||||
| Painted Lady | 29 | . | . | . | . | . | . | . | . | 6 | . | . | 1 | . | . | . | . | 6 | 3 | 6 | . | . | |||||
| Small Tortoiseshell | 70 | . | . | . | . | . | . | . | . | 2 | 16 | 13 | 2 | 4 | . | 1 | 4 | 5 | 5 | 10 | . | 2 | |||||
| Peacock | 52 | 5 | . | . | 1 | . | 1 | . | 1 | . | . | . | . | . | 1 | 21 | 9 | 5 | 5 | 1 | . | . | |||||
| Comma | 38 | 3 | . | 4 | 1 | . | . | . | . | . | 2 | . | 4 | 5 | 1 | 3 | 2 | 1 | 6 | 1 | 2 | 3 | |||||
| Small Pearl-bordered Fritillary | 2 | . | . | . | . | . | . | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Silver-washed Fritillary | 98 | . | . | . | . | . | . | . | . | . | . | . | 3 | 11 | 24 | 39 | 8 | 11 | . | . | . | . | |||||
| Marsh Fritillary | 87 | . | . | . | . | 27 | 26 | 25 | 25 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Speckled Wood | 85 | 1 | 1 | 4 | 7 | 5 | 10 | . | 8 | . | 1 | . | . | . | . | 7 | 5 | 11 | 11 | 9 | 1 | . | |||||
| Wall Brown | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | . | 1 | . | . | 1 | |||||
| Marbled White | 322 | . | . | . | . | . | . | . | . | . | . | 17 | 52 | 148 | 53 | 49 | 2 | 1 | . | . | . | . | |||||
| Gatekeeper / Hedge Brown | 866 | . | . | . | . | . | . | . | . | . | . | . | . | . | 14 | 172 | 314 | 256 | 15 | 17 | . | . | |||||
| Meadow Brown | 969 | . | . | . | . | . | . | . | . | 25 | 73 | 177 | 215 | 314 | 48 | 71 | 21 | 21 | 2 | 1 | . | . | |||||
| Small Heath | 4 | . | . | . | . | 1 | . | 1 | 2 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | |||||
| Ringlet | 357 | . | . | . | . | . | . | . | . | . | . | 12 | 52 | 149 | 68 | 62 | 5 | 8 | . | . | . | . | |||||