
| 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 | . | . | . | . | . | . | . | . | 1 | . | . | 16 | 21 | 22 | 8 | 6 | . | . | . | . | ||||||
| Large Skipper | 29 | . | . | . | . | . | . | . | 1 | 11 | 11 | 6 | . | . | 2 | . | . | . | . | . | . | ||||||
| Dingy Skipper | NI | . | . | . | . | . | . | 3 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Clouded Yellow | 20 | . | . | . | . | . | . | . | . | . | . | . | . | . | 8 | 4 | 2 | . | . | . | . | ||||||
| Brimstone | 1 | 2 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Large White | 134 | . | . | . | 1 | 6 | 3 | 8 | 8 | 5 | 1 | . | 2 | 5 | 16 | 29 | 10 | 7 | 3 | 1 | . | ||||||
| Small White | 53 | . | . | . | 7 | 9 | 2 | . | 1 | 3 | . | 2 | . | 2 | 4 | 1 | . | 2 | . | 3 | . | ||||||
| Green-veined White | NI | . | . | . | 1 | . | 1 | . | . | . | . | . | . | 2 | . | . | . | . | 1 | . | . | ||||||
| Orange Tip | . | . | . | . | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Purple Hairstreak | NI | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | 1 | . | . | . | . | . | . | ||||||
| Small Copper | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 1 | . | . | . | . | ||||||
| Common Blue | 26 | . | . | . | . | . | . | . | . | 1 | . | . | 1 | . | 2 | 10 | 8 | 2 | . | . | . | ||||||
| Holly Blue | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Red Admiral | 26 | . | . | . | . | . | 1 | . | 1 | . | . | . | 1 | 4 | 2 | 3 | 2 | 2 | 2 | 6 | . | ||||||
| Painted Lady | 14 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 2 | 6 | 3 | 1 | . | 1 | . | ||||||
| Small Tortoiseshell | 29 | . | . | . | . | . | . | . | . | . | . | . | 3 | 2 | 2 | . | 1 | 7 | 5 | 7 | . | ||||||
| Peacock | 39 | 5 | 1 | 1 | 13 | 6 | 1 | 1 | . | 1 | . | . | . | 6 | 20 | 8 | 2 | . | . | . | 1 | ||||||
| Comma | 4 | 1 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | 1 | 1 | ||||||
| Small Pearl-bordered Fritillary | 22 | . | . | . | . | . | . | 5 | 8 | 8 | . | 1 | . | . | . | . | . | . | . | . | . | ||||||
| Silver-washed Fritillary | 19 | . | . | . | . | . | . | . | . | . | . | . | 3 | 5 | 3 | 7 | 7 | . | . | . | . | ||||||
| Speckled Wood | 66 | . | . | . | 1 | 2 | 3 | 3 | 4 | 5 | 2 | 1 | . | . | 2 | 4 | 3 | 13 | 3 | 3 | . | ||||||
| Wall Brown | 15 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7 | . | . | . | . | . | ||||||
| Marbled White | NI | . | . | . | . | . | . | . | . | . | 1 | 5 | 48 | 92 | 41 | 10 | 1 | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | 674 | . | . | . | . | . | . | . | . | . | . | . | 7 | 109 | 131 | 210 | 123 | 18 | 1 | . | . | ||||||
| Meadow Brown | NI | . | . | . | . | . | . | . | . | 6 | 10 | 7 | 43 | 16 | 12 | 9 | 4 | 1 | 4 | . | . | ||||||
| Ringlet | NI | . | . | . | . | . | . | . | . | . | 25 | 51 | 62 | 85 | 15 | 1 | 1 | . | . | . | . | ||||||