
| 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 | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||||
| Brimstone | 32 | 9 | 4 | 5 | 4 | . | . | . | . | . | . | . | . | . | 2 | . | 1 | . | . | . | |||||||
| Large White | 44 | 1 | . | . | 5 | . | 3 | 2 | 2 | 1 | 2 | . | . | 1 | 14 | 1 | . | . | . | 2 | |||||||
| Small White | 42 | . | . | 3 | 10 | . | 5 | . | . | . | 1 | 1 | 1 | . | 1 | 1 | . | 5 | . | 2 | |||||||
| Green-veined White | 115 | . | 1 | . | 3 | 3 | 6 | 1 | 2 | 4 | 1 | 1 | 2 | 4 | 22 | 11 | 9 | 1 | 3 | . | |||||||
| Orange Tip | 34 | 4 | 5 | 8 | 9 | . | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Holly Blue | 12 | 4 | . | 2 | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| White Admiral | 13 | . | . | . | . | . | . | . | . | . | 1 | . | 5 | 1 | 3 | . | . | . | . | . | |||||||
| Red Admiral | 14 | . | . | . | . | . | 1 | 1 | . | . | 2 | 2 | . | 1 | 1 | . | 1 | . | 2 | 1 | |||||||
| Peacock | 14 | 3 | 4 | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Comma | 6 | 1 | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | 1 | |||||||
| Silver-washed Fritillary | 23 | . | . | . | . | . | . | . | . | . | . | . | 8 | 1 | 7 | . | . | . | . | . | |||||||
| Speckled Wood | 207 | 2 | 4 | 3 | 6 | 2 | 18 | 15 | 4 | 10 | 14 | 11 | 2 | 4 | 20 | 5 | 18 | 6 | 3 | 3 | |||||||
| Gatekeeper / Hedge Brown | 2 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | . | . | . | . | . | |||||||
| Meadow Brown | 221 | . | . | . | . | . | . | . | . | 3 | 19 | 50 | 53 | 43 | 19 | 1 | . | . | . | . | |||||||
| Ringlet | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||||