
| 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 | 23 | . | . | . | . | . | . | . | . | 13 | 4 | 2 | 3 | 1 | . | . | . | . | |||||||||
| Large Skipper | 28 | . | . | . | . | 2 | 2 | . | 6 | 6 | 4 | 5 | . | . | 1 | . | . | . | |||||||||
| Grizzled Skipper | 2 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Clouded Yellow | 2 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||||||
| Large White | 6 | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 2 | . | . | . | |||||||||
| Small White | 36 | . | . | . | . | . | . | . | 1 | . | 8 | 5 | 4 | 2 | 9 | 1 | . | . | |||||||||
| Orange Tip | NI | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | |||||||||
| Small Copper | 13 | . | . | . | . | . | . | . | . | . | . | 1 | . | 3 | 3 | 2 | 1 | 6 | |||||||||
| Common Blue | 36 | . | . | . | . | 1 | . | . | . | . | . | 6 | 1 | 5 | 11 | 3 | 1 | . | |||||||||
| Holly Blue | 11 | . | . | . | . | 1 | . | . | . | . | 1 | 5 | 1 | . | . | 3 | . | . | |||||||||
| Red Admiral | 82 | . | . | . | 1 | . | . | . | 1 | . | 5 | 14 | 2 | 33 | 6 | . | . | . | |||||||||
| Painted Lady | 97 | . | . | 2 | 18 | 3 | . | . | . | . | 6 | 21 | 3 | 19 | 8 | 1 | . | . | |||||||||
| Small Tortoiseshell | 3 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | 1 | . | . | . | |||||||||
| Peacock | 19 | . | . | . | . | . | . | . | . | . | 3 | 2 | 2 | 8 | . | . | . | . | |||||||||
| Comma | 15 | . | . | . | . | . | . | . | 4 | 1 | 7 | 1 | . | . | . | . | 2 | 1 | |||||||||
| Speckled Wood | 11 | . | . | . | . | . | . | 2 | . | . | . | . | . | . | 2 | 1 | 5 | 2 | |||||||||
| Wall Brown | NI | . | . | 2 | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||||||
| Marbled White | 50 | . | . | . | . | . | . | . | 11 | 13 | 17 | 8 | 1 | . | . | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 353 | . | . | . | . | . | . | . | 4 | 55 | 105 | 110 | 38 | 27 | . | . | . | . | |||||||||
| Meadow Brown | 46 | . | . | . | . | . | . | . | 12 | 12 | 6 | 3 | 8 | . | 3 | . | . | . | |||||||||