
| 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 | 167 | . | . | . | . | . | . | . | 2 | 3 | 19 | 16 | 71 | 14 | 25 | 10 | 2 | . | |||||||||
| Large Skipper | 66 | . | . | . | . | . | 9 | 4 | 14 | 6 | 8 | 9 | 3 | 2 | 6 | . | . | . | |||||||||
| Dingy Skipper | 14 | . | . | . | 2 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Grizzled Skipper | 20 | . | . | 5 | . | 1 | . | 2 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Brimstone | 186 | . | 13 | 30 | 13 | 9 | 5 | . | 1 | . | . | . | . | 1 | 26 | 18 | 2 | 5 | |||||||||
| Large White | 61 | . | 5 | . | 3 | 1 | . | . | . | 2 | 1 | 6 | 8 | 5 | 8 | . | 4 | . | |||||||||
| Small White | 68 | . | . | . | 2 | . | 1 | . | . | 1 | 1 | 4 | 7 | 3 | 21 | 4 | 9 | 1 | |||||||||
| Green-veined White | 43 | . | 1 | 1 | 7 | 4 | 3 | . | . | . | . | 1 | 1 | 6 | 4 | 4 | . | 1 | |||||||||
| Orange Tip | 65 | . | 11 | 14 | 12 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Green Hairstreak | 3 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Copper | 18 | . | . | . | . | . | 3 | . | . | . | 14 | . | . | . | 1 | 2 | . | 1 | |||||||||
| Brown Argus | 18 | . | . | . | 2 | 1 | . | . | . | 2 | . | . | . | . | . | 3 | 2 | . | |||||||||
| Common Blue | 66 | . | . | . | . | 2 | 14 | 6 | 2 | 4 | . | . | . | . | 8 | 6 | 11 | 2 | |||||||||
| Holly Blue | 2 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Duke of Burgundy Fritillary | 3 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Red Admiral | 26 | . | . | . | . | 1 | . | 1 | . | . | . | 4 | 5 | . | 1 | 6 | 2 | 1 | |||||||||
| Painted Lady | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | |||||||||
| Small Tortoiseshell | 17 | . | . | . | . | . | . | . | 2 | . | 1 | . | . | . | . | 5 | 1 | 3 | |||||||||
| Peacock | 264 | . | 10 | 24 | 6 | 1 | . | . | . | . | . | 2 | 1 | 28 | 68 | 74 | 5 | 1 | |||||||||
| Comma | 9 | . | . | . | . | . | . | . | . | . | 2 | . | 2 | . | 1 | 2 | 1 | . | |||||||||
| Pearl-bordered Fritillary | 3 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Dark Green Fritillary | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | |||||||||
| Silver-washed Fritillary | 150 | . | . | . | . | . | . | 1 | . | 10 | 7 | 21 | 18 | 5 | 19 | 25 | 23 | . | |||||||||
| Speckled Wood | 156 | . | 2 | . | 1 | 3 | 4 | . | 2 | 4 | . | . | 2 | 6 | 2 | 8 | 27 | 27 | |||||||||
| Marbled White | 238 | . | . | . | . | . | . | . | 1 | 53 | 83 | 85 | 58 | 11 | . | 1 | . | . | |||||||||
| Gatekeeper / Hedge Brown | 157 | . | . | . | . | . | . | . | . | . | . | 30 | 41 | 32 | 18 | 19 | 6 | . | |||||||||
| Meadow Brown | 306 | . | . | . | . | . | 5 | 3 | 8 | 31 | 32 | 25 | 36 | 15 | 61 | 19 | 16 | 1 | |||||||||
| Small Heath | 10 | . | . | . | 1 | 2 | . | . | . | . | 4 | . | . | 1 | 1 | . | . | . | |||||||||
| Ringlet | 753 | . | . | . | . | . | . | 1 | 24 | 91 | 269 | 235 | 102 | 22 | 3 | 2 | . | . | |||||||||