
| 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 | 51 | . | . | . | . | . | . | . | . | . | 3 | 8 | 21 | 3 | . | . | . | . | . | . | . | ||||||
| Large Skipper | 21 | . | . | . | . | . | . | . | 4 | 6 | 2 | 1 | 2 | . | . | . | . | . | . | . | . | ||||||
| Clouded Yellow | 3 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | 1 | . | . | . | 3 | ||||||
| Brimstone | 2 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||
| Large White | 45 | . | . | . | 1 | . | . | . | . | . | 5 | 2 | 21 | . | 1 | . | 1 | . | . | . | . | ||||||
| Small White | 97 | . | . | . | . | . | . | . | . | . | . | 1 | 24 | 1 | 20 | 9 | 11 | 5 | 10 | 4 | 1 | ||||||
| Green-veined White | 83 | . | . | 1 | 4 | 1 | . | . | 1 | . | 3 | 6 | 16 | 1 | 11 | 7 | 10 | 1 | 2 | . | 1 | ||||||
| Orange Tip | 10 | . | . | 4 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Copper | 14 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 3 | 1 | 1 | . | 4 | 3 | 5 | ||||||
| Common Blue | 58 | . | . | . | . | . | . | 1 | . | 2 | . | . | 7 | 11 | 9 | 4 | 13 | 5 | 1 | . | . | ||||||
| Red Admiral | 128 | . | . | . | . | . | . | . | . | 1 | 1 | 2 | 1 | 1 | 2 | 5 | 46 | 32 | 26 | 8 | 17 | ||||||
| Painted Lady | 108 | . | . | . | 2 | . | . | . | . | . | . | 2 | 18 | 4 | 9 | 10 | 15 | 15 | 8 | 12 | 8 | ||||||
| Small Tortoiseshell | 113 | . | . | . | . | . | . | . | 2 | 2 | 1 | 1 | 5 | 10 | 13 | 21 | 29 | 11 | 5 | 8 | 34 | ||||||
| Peacock | 47 | 1 | . | 1 | . | . | 1 | . | . | . | . | . | 14 | 8 | 6 | 1 | 2 | 2 | 1 | 1 | . | ||||||
| Comma | 26 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | 2 | 4 | 10 | 4 | 4 | 9 | ||||||
| Small Pearl-bordered Fritillary | 18 | . | . | . | . | 5 | 1 | 9 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Silver-washed Fritillary | 41 | . | . | . | . | . | . | . | . | . | 1 | 3 | 14 | 6 | 5 | 2 | 1 | 1 | . | . | . | ||||||
| Speckled Wood | 159 | . | . | . | 1 | . | 1 | 1 | 8 | 2 | 5 | 1 | . | 1 | 13 | 25 | 43 | 20 | 23 | 11 | 16 | ||||||
| Marbled White | 52 | . | . | . | . | . | . | . | . | . | 22 | 10 | 2 | 1 | . | . | . | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | 349 | . | . | . | . | . | . | . | . | . | 2 | 25 | 91 | 93 | 62 | 15 | 2 | . | . | . | . | ||||||
| Meadow Brown | 195 | . | . | . | . | . | . | . | 9 | 19 | 57 | 8 | 29 | 15 | . | 1 | 1 | . | . | . | . | ||||||
| Ringlet | 319 | . | . | . | . | . | . | . | . | 12 | 89 | 89 | 18 | 6 | 1 | . | . | . | . | . | . | ||||||