
| 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 | 10 | . | . | . | . | . | . | . | . | . | . | . | . | 5 | . | . | . | . | |||||||||
| Large Skipper | 10 | . | . | . | . | . | . | . | 1 | . | . | 1 | 4 | 2 | . | . | . | . | |||||||||
| Brimstone | 2 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Large White | 10 | . | . | 1 | . | . | . | . | . | . | . | . | . | 4 | . | 2 | 1 | . | |||||||||
| Green-veined White | 39 | . | . | . | 2 | . | . | 1 | 1 | . | 1 | . | 4 | 14 | 1 | 2 | . | . | |||||||||
| Orange Tip | 2 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||||||
| Small Copper | 2 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||||||
| Small Tortoiseshell | 7 | . | 1 | . | . | . | . | . | . | . | . | . | . | 2 | . | . | 1 | 1 | |||||||||
| Peacock | 22 | 2 | 8 | 2 | . | . | . | . | . | . | . | . | . | 5 | . | . | . | . | |||||||||
| Comma | 2 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | |||||||||
| High Brown Fritillary | 2 | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | |||||||||
| Speckled Wood | 16 | . | . | . | . | . | . | . | . | 3 | . | 1 | . | . | 1 | 1 | 7 | . | |||||||||
| Marbled White | 4 | . | . | . | . | . | . | . | . | . | . | . | 2 | 2 | . | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 303 | . | . | . | . | . | . | . | . | . | . | . | 2 | 77 | 16 | 10 | 3 | . | |||||||||
| Meadow Brown | 147 | . | . | . | . | . | . | . | . | . | 1 | 18 | 19 | 31 | 1 | . | 2 | . | |||||||||
| Ringlet | 65 | . | . | . | . | . | . | . | . | . | 3 | 6 | 9 | 4 | . | . | . | . | |||||||||