
| 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 | 11 | . | . | . | . | . | . | . | . | . | . | 1 | 4 | 2 | 4 | . | . | . | . | . | |||||||
| Large Skipper | 6 | . | . | . | . | . | . | . | 1 | 1 | 1 | 1 | 2 | . | . | . | . | . | . | . | |||||||
| Brimstone | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Large White | 34 | . | . | 2 | 1 | 1 | 3 | . | . | 1 | 8 | 3 | 1 | 2 | 5 | 2 | . | . | . | . | |||||||
| Small White | 3 | . | 1 | . | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Green-veined White | 109 | . | 3 | 7 | 6 | 3 | 6 | 1 | . | 2 | 2 | 10 | 21 | 16 | 9 | 7 | . | 2 | . | . | |||||||
| Orange Tip | NI | 3 | 7 | 4 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||||
| Small Copper | 8 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 2 | 2 | 1 | . | . | 1 | |||||||
| Holly Blue | 7 | . | . | 1 | . | 1 | . | . | . | . | . | . | 1 | 2 | 2 | . | . | . | . | . | |||||||
| Red Admiral | 14 | . | . | . | . | . | . | . | 1 | 12 | . | . | . | . | 1 | . | . | . | . | . | |||||||
| Painted Lady | 4 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 2 | 1 | . | . | . | |||||||
| Small Tortoiseshell | 10 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5 | 4 | . | 1 | . | |||||||
| Peacock | NI | 4 | . | . | . | 3 | 2 | . | . | . | . | . | . | . | . | 5 | 1 | . | . | 1 | |||||||
| Comma | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | |||||||
| High Brown Fritillary | 5 | . | . | . | . | . | . | . | 1 | 1 | . | 1 | . | . | . | . | . | . | . | . | |||||||
| Speckled Wood | 59 | 3 | . | 2 | . | 1 | 3 | 2 | . | 1 | 1 | . | 3 | 1 | 9 | 5 | 4 | 4 | 6 | 2 | |||||||
| Marbled White | 4 | . | . | . | . | . | . | . | . | 2 | 1 | . | . | 1 | . | . | . | . | . | . | |||||||
| Gatekeeper / Hedge Brown | 395 | . | . | . | . | . | . | . | . | . | 1 | 25 | 63 | 102 | 106 | 58 | 28 | 8 | . | . | |||||||
| Meadow Brown | 112 | . | . | . | . | . | . | 11 | 7 | 12 | 16 | 20 | 10 | 8 | 4 | 3 | . | . | . | . | |||||||
| Small Heath | 4 | . | . | . | . | . | 1 | . | . | . | . | . | 1 | 1 | 1 | . | . | . | . | . | |||||||
| Ringlet | 44 | . | . | . | . | . | . | . | 19 | . | 8 | 2 | 1 | 1 | 3 | . | . | . | . | . | |||||||