
| 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 | ||||||||||||||||||||||||||
| Small Skipper | . | . | . | . | . | . | . | . | . | 4 | 40 | 56 | 21 | 12 | 6 | 5 | . | . | . | . | . | |||||
| Large Skipper | . | . | . | . | . | . | . | . | 7 | 5 | 36 | 35 | 31 | 19 | 2 | 3 | . | . | . | . | . | |||||
| Brimstone | 17 | 14 | 9 | 15 | 1 | 7 | 4 | 7 | 2 | . | . | . | 13 | 11 | 23 | 15 | 5 | 2 | 4 | 2 | 2 | |||||
| Large White | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 1 | . | 2 | 1 | 2 | 1 | . | |||||
| Small White | . | 1 | 1 | . | . | . | . | . | . | . | 2 | . | 5 | . | . | . | . | 4 | . | . | . | |||||
| Green-veined White | . | . | . | 1 | 2 | 3 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Orange Tip | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Small Copper | . | . | . | . | 1 | . | 1 | 2 | . | . | . | . | 1 | . | . | . | . | 1 | . | . | . | |||||
| Common Blue | . | . | . | . | . | . | . | . | 1 | . | . | . | 4 | 3 | 2 | 1 | 2 | . | . | . | . | |||||
| Holly Blue | . | . | 1 | 1 | 1 | 2 | 2 | 3 | . | . | . | . | 1 | 1 | 3 | 5 | . | . | . | . | . | |||||
| White Admiral | . | . | . | . | . | . | . | . | . | 1 | 3 | . | 3 | . | . | . | . | . | . | . | . | |||||
| Red Admiral | . | . | . | . | . | . | . | . | . | 1 | . | . | 2 | . | 4 | 2 | 2 | . | 3 | 2 | 5 | |||||
| Small Tortoiseshell | . | 1 | 1 | . | . | . | . | . | 1 | . | 1 | . | 2 | 4 | 5 | 5 | . | . | . | . | . | |||||
| Peacock | 11 | 7 | 1 | 3 | 4 | . | 1 | 1 | . | . | . | . | 10 | 6 | 8 | 5 | . | . | . | . | . | |||||
| Comma | 2 | 1 | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | 2 | 3 | 4 | |||||
| Pearl-bordered Fritillary | . | . | . | 1 | 2 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Dark Green Fritillary | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||
| Silver-washed Fritillary | . | . | . | . | . | . | . | . | . | 1 | 32 | 21 | 21 | 9 | 5 | 4 | 1 | . | . | . | . | |||||
| Speckled Wood | . | 3 | 1 | 6 | 1 | . | 10 | 8 | 8 | 1 | . | . | 10 | 7 | 13 | 9 | 8 | 1 | 4 | 8 | 6 | |||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | . | . | . | 8 | 95 | 59 | 27 | 18 | 5 | . | . | . | . | |||||
| Meadow Brown | . | . | . | . | . | . | . | . | 12 | 26 | 91 | 92 | 116 | 14 | 9 | 7 | . | . | . | . | . | |||||
| Ringlet | . | . | . | . | . | . | . | . | . | . | 6 | 5 | . | . | . | . | . | . | . | . | . | |||||