
| 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 | 58 | . | . | . | . | . | . | . | . | 3 | 3 | 26 | 7 | . | . | . | . | . | . | ||||||||
| Large Skipper | 12 | . | . | . | . | . | . | . | . | . | . | 3 | 3 | 1 | . | . | . | . | . | ||||||||
| Large White | 42 | . | 2 | 1 | 1 | 4 | 8 | 4 | . | 2 | 4 | . | 1 | 2 | 2 | 1 | 1 | 1 | . | ||||||||
| Small White | 35 | . | . | . | 3 | . | . | . | . | . | 1 | 12 | 2 | 1 | 4 | . | . | . | . | ||||||||
| Green-veined White | 69 | 1 | 2 | 6 | 7 | 12 | 6 | 10 | . | . | . | . | 3 | 6 | 1 | 1 | 2 | . | . | ||||||||
| Orange Tip | 3 | . | . | . | 1 | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Common Blue | 2 | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Holly Blue | 2 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 18 | . | . | 2 | 1 | . | . | . | 1 | . | . | . | . | 2 | 1 | . | 2 | 1 | 3 | ||||||||
| Small Tortoiseshell | 19 | . | . | . | . | . | . | . | . | 2 | . | 1 | 1 | . | 4 | 1 | 3 | 2 | . | ||||||||
| Peacock | 13 | 1 | 1 | . | . | . | . | . | . | . | . | 3 | . | . | . | . | 1 | 1 | 1 | ||||||||
| Small Pearl-bordered Fritillary | 24 | . | . | . | . | . | 1 | 2 | 14 | 4 | 2 | . | . | . | . | . | . | . | . | ||||||||
| Dark Green Fritillary | 14 | . | . | . | . | . | . | . | . | . | 1 | 5 | 2 | . | . | 2 | . | . | . | ||||||||
| Silver-washed Fritillary | 12 | . | . | . | . | . | . | . | . | . | . | 4 | 2 | . | 1 | 1 | . | . | . | ||||||||
| Speckled Wood | 423 | 8 | 3 | 6 | 13 | 15 | 23 | 52 | 8 | 8 | 4 | 10 | 7 | 23 | 44 | 44 | 38 | 25 | 9 | ||||||||
| Wall Brown | 38 | . | 2 | 3 | 4 | 2 | 2 | . | . | . | . | 1 | 3 | 2 | 7 | 2 | . | . | . | ||||||||
| Grayling | 40 | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 7 | 4 | 4 | 8 | 2 | . | ||||||||
| Gatekeeper / Hedge Brown | 444 | . | . | . | . | . | 2 | . | . | . | . | 44 | 69 | 104 | 33 | 12 | 4 | . | . | ||||||||
| Meadow Brown | 367 | . | . | . | . | . | . | 1 | 12 | 23 | 55 | 75 | 53 | 23 | 6 | 1 | . | . | . | ||||||||
| Small Heath | 22 | . | . | . | . | 1 | 8 | 1 | 3 | . | 4 | 2 | . | . | . | . | . | . | . | ||||||||
| Ringlet | 2 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||||