
| 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 | 3 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | ||||||||
| Large Skipper | 19 | . | . | . | . | . | . | . | 7 | 3 | 2 | 3 | . | . | 2 | . | . | . | . | ||||||||
| Dingy Skipper | 28 | . | . | . | . | . | . | 13 | 6 | 6 | 3 | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Large White | 166 | . | . | 2 | . | 2 | 3 | 11 | 22 | 9 | 12 | 7 | 13 | 11 | 11 | 3 | 9 | 4 | 22 | ||||||||
| Small White | 10 | . | . | . | 3 | . | . | . | . | . | 4 | . | . | . | . | . | . | . | . | ||||||||
| Green-veined White | 136 | . | . | 3 | 3 | 14 | 10 | 8 | 11 | 8 | 6 | 3 | 7 | 2 | 6 | 12 | 12 | 6 | 4 | ||||||||
| Orange Tip | 165 | . | . | 3 | 6 | 22 | 34 | 49 | 31 | 2 | 2 | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 10 | . | . | . | . | 2 | 1 | 3 | 3 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | NI | . | . | . | . | . | . | . | 2 | 2 | 1 | 1 | . | . | . | . | . | . | . | ||||||||
| Brown Argus | NI | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | . | ||||||||
| Northern Brown Argus | NI | . | . | . | . | . | . | . | . | . | . | 9 | 9 | 4 | 21 | . | . | . | . | ||||||||
| Common Blue | 178 | . | . | . | . | . | . | . | . | 2 | 2 | 23 | 13 | 29 | 24 | 1 | 4 | 5 | . | ||||||||
| Red Admiral | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | ||||||||
| Small Tortoiseshell | 27 | . | 2 | 5 | 1 | . | . | 1 | 1 | . | 1 | 1 | 2 | . | 4 | . | 1 | . | . | ||||||||
| Peacock | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | ||||||||
| Dark Green Fritillary | 10 | . | . | . | . | . | . | . | . | . | . | 4 | 2 | 1 | . | . | . | . | . | ||||||||
| Meadow Brown | 36 | . | . | . | . | . | . | . | . | . | . | 1 | 10 | 4 | 8 | 2 | 3 | 1 | . | ||||||||
| Small Heath | 83 | . | . | . | . | . | . | 5 | 10 | 1 | 5 | 4 | 9 | 16 | 13 | 5 | 6 | 1 | . | ||||||||