
| 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 | NI | . | . | . | . | . | . | . | 4 | . | . | 12 | 21 | 39 | 17 | 23 | . | . | . | . | |||||||
| Silver-spotted Skipper | 8 | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | 2 | . | . | . | . | |||||||
| Large Skipper | 34 | . | . | . | . | . | . | . | 2 | . | 7 | 4 | 4 | 20 | . | . | . | . | . | . | |||||||
| Dingy Skipper | NI | . | 2 | 5 | . | . | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Grizzled Skipper | 2 | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Clouded Yellow | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | |||||||
| Brimstone | NI | 1 | 6 | 5 | 5 | 2 | . | . | 3 | . | . | . | . | . | . | 4 | . | 1 | 1 | 1 | |||||||
| Large White | 43 | . | . | 1 | . | 4 | . | . | 1 | . | . | 3 | 6 | 19 | . | 5 | . | 3 | . | . | |||||||
| Small White | 72 | . | 4 | 3 | . | 1 | . | 1 | 3 | . | . | 11 | 10 | 1 | 17 | 3 | . | 1 | . | . | |||||||
| Green-veined White | 45 | . | . | . | 2 | 1 | . | 2 | 1 | . | . | 3 | 3 | 14 | 4 | 10 | . | . | . | . | |||||||
| Orange Tip | NI | . | 6 | 2 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Green Hairstreak | 7 | . | . | 1 | . | 1 | . | 3 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Copper | 15 | . | . | . | . | . | 1 | . | . | . | . | 4 | . | 3 | . | 2 | . | 2 | . | . | |||||||
| Brown Argus | 16 | . | . | . | . | 2 | 1 | . | 3 | . | . | . | . | . | . | 5 | . | 1 | . | . | |||||||
| Common Blue | 60 | . | . | 3 | . | 9 | 4 | 1 | 6 | . | . | . | . | . | . | 8 | 1 | 12 | 1 | 3 | |||||||
| Chalk-hill Blue | 128 | . | . | . | . | . | . | . | . | . | . | 1 | 19 | 33 | 33 | 27 | . | . | . | . | |||||||
| Holly Blue | 12 | . | 2 | . | 3 | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | |||||||
| Red Admiral | 4 | . | . | . | . | . | . | 1 | . | . | . | 1 | . | . | . | . | . | . | . | 1 | |||||||
| Painted Lady | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Tortoiseshell | 28 | . | 1 | 1 | . | 1 | . | 1 | 5 | 2 | 1 | 3 | . | 1 | 1 | 1 | . | 4 | 1 | . | |||||||
| Peacock | NI | 1 | 3 | . | 5 | 1 | 1 | . | . | . | . | . | . | 2 | 4 | 1 | . | . | . | . | |||||||
| Comma | 10 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | |||||||
| Speckled Wood | 98 | . | . | . | . | . | 2 | 3 | 4 | . | 3 | . | 1 | . | 2 | 3 | 12 | 18 | 13 | 11 | |||||||
| Marbled White | 133 | . | . | . | . | . | . | . | . | 16 | 25 | 38 | 35 | 18 | . | . | . | . | . | . | |||||||
| Gatekeeper / Hedge Brown | 118 | . | . | . | . | . | . | . | . | . | 1 | 7 | 19 | 28 | 18 | 24 | . | . | 4 | . | |||||||
| Meadow Brown | 247 | . | . | . | . | . | . | 4 | 5 | 7 | 3 | 17 | 12 | 46 | 30 | 31 | 10 | 42 | 4 | 6 | |||||||
| Small Heath | 81 | . | . | 4 | . | 2 | 3 | 5 | 8 | 1 | 6 | 20 | 13 | 6 | 1 | . | . | 2 | 1 | . | |||||||
| Ringlet | 30 | . | . | . | . | . | . | . | . | 8 | 11 | 4 | 3 | 6 | . | . | . | . | . | . | |||||||