
| 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 | 39 | . | . | . | . | . | . | . | . | . | 2 | 2 | 6 | 27 | 2 | 1 | . | . | . | . | . | . | |||||
| Large Skipper | 9 | . | . | . | . | . | . | . | . | 1 | 1 | 5 | 2 | . | . | . | . | . | . | . | . | . | |||||
| Brimstone | 2 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Large White | 24 | . | . | . | . | . | . | . | . | . | . | . | 9 | 8 | 3 | 2 | . | 1 | . | 1 | . | . | |||||
| Small White | 13 | . | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | 4 | 2 | . | 4 | . | 1 | . | |||||
| Green-veined White | 43 | . | 1 | . | . | . | 1 | . | . | . | . | . | 2 | 5 | 15 | 16 | 1 | 1 | 1 | . | . | . | |||||
| Orange Tip | 9 | . | 3 | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Green Hairstreak | 2 | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||
| White-letter Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||
| Small Copper | 14 | . | . | . | 1 | 1 | 1 | . | . | 1 | 1 | . | . | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | . | |||||
| Common Blue | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | 2 | 1 | . | . | . | |||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | |||||
| Small Tortoiseshell | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Peacock | 7 | 3 | . | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | 1 | . | . | . | . | |||||
| Comma | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||
| Small Pearl-bordered Fritillary | 14 | . | . | . | . | . | . | 5 | 5 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| High Brown Fritillary | 37 | . | . | . | . | . | . | . | . | 1 | 15 | 9 | 1 | 8 | 3 | . | . | . | . | . | . | . | |||||
| Silver-washed Fritillary | 5 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 2 | . | . | 2 | . | . | . | |||||
| Speckled Wood | 42 | . | . | . | . | . | . | . | . | 1 | 5 | 3 | 3 | 10 | . | 6 | 3 | 1 | 5 | 1 | 3 | . | |||||
| Wall Brown | 2 | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Marbled White | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | . | . | . | |||||
| Gatekeeper / Hedge Brown | 300 | . | . | . | . | . | . | . | . | . | . | . | 12 | 63 | 100 | 83 | 20 | 10 | 12 | . | . | . | |||||
| Meadow Brown | 82 | . | . | . | . | . | . | . | . | . | 14 | 4 | 23 | 19 | 15 | 6 | 1 | . | . | . | . | . | |||||
| Small Heath | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||
| Ringlet | 69 | . | . | . | . | . | . | . | . | . | 26 | 24 | 19 | 1 | . | . | . | . | . | . | . | . | |||||