
| 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 | ||||||||||||||||||||||||||
| Large Skipper | 124 | . | . | . | . | . | . | 8 | 37 | 30 | 5 | 1 | 4 | 1 | . | . | . | . | . | . | |||||||
| Dingy Skipper | 5 | . | . | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Brimstone | 14 | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | 1 | 2 | 1 | 2 | 1 | 2 | |||||||
| Large White | 4 | . | . | 1 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | |||||||
| Green-veined White | 122 | 1 | . | 2 | 8 | 4 | 1 | . | . | . | . | 6 | 33 | 14 | 21 | 21 | 5 | 2 | 1 | . | |||||||
| Orange Tip | 20 | . | 3 | 8 | 1 | 3 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | |||||||
| Common Blue | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||||
| Holly Blue | NI | 1 | 2 | 1 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Red Admiral | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 2 | . | . | |||||||
| Peacock | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | |||||||
| Pearl-bordered Fritillary | 312 | . | . | 11 | 43 | 57 | 96 | 14 | 13 | 11 | . | . | . | . | . | . | . | . | . | . | |||||||
| High Brown Fritillary | 233 | . | . | . | . | . | . | . | . | 9 | 60 | 64 | 60 | 9 | 19 | 4 | 1 | 1 | . | . | |||||||
| Meadow Brown | 271 | . | . | . | . | . | . | . | . | 3 | 38 | 66 | 49 | 32 | 26 | 39 | 10 | 3 | 1 | . | |||||||
| Small Heath | 2 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||