
| 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 | 167 | . | . | . | . | . | . | . | . | . | 1 | 16 | 49 | 43 | 4 | 6 | 1 | 1 | |||||||||
| Large Skipper | 7 | . | . | . | . | . | . | 2 | 1 | 1 | 3 | . | . | . | . | . | . | . | |||||||||
| Dingy Skipper | 7 | . | . | . | 1 | . | 4 | 2 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Brimstone | NI | 1 | . | 1 | 4 | . | 2 | . | . | . | . | . | 2 | . | . | 2 | . | 2 | |||||||||
| Large White | 54 | . | . | . | 4 | 1 | 2 | 4 | 3 | . | 4 | 2 | 2 | . | . | 23 | . | 5 | |||||||||
| Small White | 120 | 5 | . | . | 25 | . | 3 | 1 | 7 | . | 3 | 6 | 14 | 10 | 2 | 27 | . | 1 | |||||||||
| Green-veined White | 217 | 3 | . | 5 | 19 | 8 | 11 | 14 | 7 | 4 | 1 | . | 8 | 43 | 10 | 33 | 12 | 7 | |||||||||
| Orange Tip | 65 | 7 | . | 9 | 14 | 4 | 17 | 8 | 2 | . | . | . | . | . | . | . | . | . | |||||||||
| Small Copper | 33 | . | . | . | 2 | 1 | 3 | . | . | . | . | . | . | . | 2 | 10 | 1 | 9 | |||||||||
| Northern Brown Argus | NI | . | . | . | . | . | . | . | 1 | . | 3 | 1 | 1 | 2 | . | 1 | . | . | |||||||||
| Common Blue | 34 | . | . | . | . | . | . | 1 | 1 | 5 | 8 | 15 | 2 | . | . | 1 | . | . | |||||||||
| Red Admiral | 37 | . | . | . | . | 1 | 4 | 3 | 1 | . | . | . | . | 4 | 15 | 7 | . | . | |||||||||
| Painted Lady | 96 | . | . | . | 14 | 3 | 4 | 14 | 1 | . | 1 | . | . | 29 | 11 | 1 | 1 | 1 | |||||||||
| Small Tortoiseshell | NI | . | . | . | 1 | . | . | 2 | . | . | . | . | 2 | 2 | 2 | 2 | . | 1 | |||||||||
| Peacock | NI | 4 | . | . | 1 | 4 | 1 | 1 | . | . | 1 | . | . | 9 | 13 | 7 | . | 2 | |||||||||
| Comma | NI | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 3 | . | 1 | |||||||||
| Dark Green Fritillary | 3 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | |||||||||
| Speckled Wood | 8 | . | . | . | . | . | . | 2 | . | . | 4 | 2 | . | . | . | . | . | . | |||||||||
| Wall Brown | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | 1 | 4 | |||||||||
| Gatekeeper / Hedge Brown | 3 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | |||||||||
| Meadow Brown | 364 | . | . | . | . | . | . | . | . | 2 | 27 | 100 | 90 | 43 | 9 | 17 | 9 | . | |||||||||
| Small Heath | 42 | . | . | . | . | . | . | 1 | 1 | 2 | 7 | 12 | 6 | 4 | . | 2 | . | 2 | |||||||||