
| 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 | . | . | . | . | . | . | . | . | . | 24 | 46 | 96 | 90 | 7 | 42 | . | . | . | . | |||||||
| Large Skipper | . | . | . | . | . | . | . | . | . | 10 | 16 | 81 | 3 | 10 | 1 | . | . | . | . | |||||||
| Brimstone | 2 | . | 3 | 8 | 3 | 1 | . | 5 | 5 | . | 1 | 2 | 2 | 6 | . | . | . | 1 | 4 | |||||||
| Large White | . | . | . | 2 | . | . | . | 7 | . | . | 6 | 20 | 2 | 20 | . | . | 3 | . | . | |||||||
| Small White | . | . | . | . | . | . | 1 | 1 | 2 | . | 2 | 29 | 18 | 12 | 8 | 18 | 7 | 17 | 10 | |||||||
| Green-veined White | . | 3 | 2 | 5 | 2 | 4 | 2 | 2 | 1 | . | 10 | 16 | 12 | 21 | 27 | 6 | 6 | 4 | 2 | |||||||
| Orange Tip | . | 3 | 2 | 2 | 2 | 2 | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Purple Hairstreak | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||||
| Small Copper | . | . | . | . | . | 1 | . | . | 1 | . | 7 | . | . | 5 | 1 | . | . | . | . | |||||||
| Brown Argus | . | . | . | . | . | . | 1 | 7 | 5 | . | . | . | . | . | 12 | . | . | . | . | |||||||
| Common Blue | . | . | . | . | . | . | 2 | 6 | 8 | . | 12 | . | 1 | 5 | 37 | . | 1 | . | . | |||||||
| Holly Blue | . | . | 1 | 1 | . | 2 | . | . | . | . | . | . | . | 2 | . | . | . | . | . | |||||||
| Red Admiral | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | . | |||||||
| Painted Lady | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | |||||||
| Small Tortoiseshell | . | . | 1 | . | . | . | . | . | . | 1 | . | . | . | . | 2 | 38 | 17 | 27 | 12 | |||||||
| Peacock | 7 | 3 | 6 | 7 | . | 4 | . | . | . | . | . | . | 6 | 39 | 13 | . | . | 1 | 1 | |||||||
| Comma | 1 | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | 5 | 8 | 5 | |||||||
| Speckled Wood | . | 8 | 1 | 5 | . | . | 2 | 13 | 20 | 2 | 6 | . | 1 | 7 | 12 | 41 | 6 | 8 | . | |||||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | . | . | 17 | 16 | 27 | 24 | 22 | . | . | . | . | |||||||
| Meadow Brown | . | . | . | . | . | . | . | . | . | 52 | 98 | 139 | 99 | 144 | 49 | 4 | . | . | . | |||||||
| Small Heath | . | . | . | . | . | . | 1 | . | 2 | 1 | 2 | . | . | . | 1 | . | . | . | . | |||||||
| Ringlet | . | . | . | . | . | . | . | . | . | 62 | 62 | 163 | 52 | 34 | 13 | . | . | . | . | |||||||