
| 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 | 18 | . | . | . | . | . | . | . | . | 15 | . | 3 | . | . | . | . | . | . | . | ||||||||
| Clouded Yellow | 6 | . | . | . | . | . | . | . | . | . | . | 5 | . | . | . | . | . | . | . | ||||||||
| Brimstone | 16 | . | 1 | 2 | . | 2 | . | . | 1 | 2 | . | 8 | . | . | . | . | . | . | . | ||||||||
| Large White | 98 | . | 3 | . | . | 1 | . | . | 6 | 16 | . | 31 | 8 | 3 | 10 | . | 1 | . | . | ||||||||
| Small White | 67 | . | 3 | 5 | . | 1 | . | . | 5 | 6 | 15 | . | 2 | 3 | 8 | 3 | 1 | . | . | ||||||||
| Green-veined White | 11 | . | . | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Orange Tip | 16 | 1 | 7 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brown Hairstreak | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | ||||||||
| Small Copper | 3 | . | . | . | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | ||||||||
| Common Blue | 102 | . | . | . | . | 2 | . | . | . | . | . | 34 | 25 | 11 | 28 | . | . | . | . | ||||||||
| Holly Blue | 3 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 37 | . | . | . | . | . | . | . | . | 3 | 2 | 2 | . | . | 3 | 8 | 6 | 2 | 7 | ||||||||
| Painted Lady | NI | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Tortoiseshell | 6 | . | . | . | . | . | . | 1 | . | 1 | . | . | 1 | . | 1 | . | . | . | 1 | ||||||||
| Peacock | 13 | 6 | 2 | 2 | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | ||||||||
| Comma | 26 | 7 | 1 | . | . | . | . | . | . | 9 | 1 | . | . | . | 2 | 2 | 1 | . | 1 | ||||||||
| Speckled Wood | 175 | 1 | 7 | 9 | . | 5 | 13 | . | . | 8 | 9 | 33 | 9 | 11 | 19 | 8 | 10 | 2 | 2 | ||||||||
| Marbled White | 97 | . | . | . | . | . | 8 | 23 | 17 | 17 | 2 | 1 | . | . | . | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 229 | . | . | . | . | . | . | . | 13 | 50 | 53 | 48 | 3 | 9 | . | . | . | . | . | ||||||||
| Meadow Brown | 720 | . | . | . | 6 | 3 | 79 | 52 | 91 | 122 | 25 | 141 | 65 | 26 | 23 | 3 | 2 | . | . | ||||||||
| Small Heath | 57 | . | . | . | 2 | 5 | 5 | 7 | 9 | . | 1 | . | . | . | 17 | 1 | . | 1 | . | ||||||||
| Ringlet | 48 | . | . | . | . | . | . | 13 | . | 17 | 4 | . | . | . | . | . | . | . | . | ||||||||