
| 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 | 47 | . | . | . | . | . | . | . | . | 14 | 11 | . | 3 | . | . | . | . | . | . | . | . | ||||||
| Dingy Skipper | 51 | . | . | . | . | . | 34 | . | 11 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Clouded Yellow | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | . | ||||||
| Brimstone | 88 | 2 | 4 | 6 | 11 | 2 | 3 | 4 | 3 | . | 1 | 3 | 2 | 3 | 3 | 4 | 3 | 11 | 9 | . | 3 | ||||||
| Large White | 198 | . | 1 | . | 6 | 4 | 18 | 19 | 18 | 5 | . | 17 | 3 | 17 | 10 | 4 | 21 | 7 | 8 | 1 | 11 | ||||||
| Small White | 63 | . | 6 | . | . | 13 | . | 1 | 3 | 1 | 2 | 3 | . | 9 | 6 | . | . | 1 | . | . | . | ||||||
| Green-veined White | 23 | . | . | . | 2 | . | 1 | 4 | 3 | . | . | 1 | 5 | 1 | . | 4 | . | . | . | . | . | ||||||
| Orange Tip | 38 | . | . | 4 | 8 | 23 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Green Hairstreak | 50 | . | . | . | . | 4 | . | 39 | 5 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Copper | 6 | . | . | . | . | . | . | . | . | . | . | 2 | . | 2 | . | . | 1 | . | . | . | . | ||||||
| Northern Brown Argus | 307 | . | . | . | . | . | . | 42 | 23 | 52 | 36 | 9 | 27 | 23 | . | . | 1 | . | . | . | . | ||||||
| Common Blue | 72 | . | . | . | . | . | 15 | 8 | 14 | 8 | . | . | . | . | . | . | 3 | 8 | . | 1 | . | ||||||
| Holly Blue | 4 | . | . | . | 2 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||
| Red Admiral | 24 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | 2 | 2 | 4 | 4 | 10 | ||||||
| Painted Lady | 9 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | . | . | 3 | 3 | ||||||
| Small Tortoiseshell | 34 | . | . | . | . | 1 | . | . | . | . | . | 19 | 6 | . | 2 | . | . | . | 5 | . | . | ||||||
| Peacock | 99 | . | 16 | 5 | 4 | 2 | 1 | . | . | . | . | . | . | . | 1 | 5 | 18 | 25 | 6 | . | . | ||||||
| Comma | 8 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | 1 | . | . | 4 | ||||||
| Small Pearl-bordered Fritillary | 52 | . | . | . | . | . | . | . | 12 | 15 | . | . | . | 2 | . | . | . | . | . | . | . | ||||||
| Pearl-bordered Fritillary | 103 | . | . | . | 3 | 17 | 58 | 16 | 9 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| High Brown Fritillary | 147 | . | . | . | . | . | . | . | . | 3 | 58 | 11 | 48 | 15 | 8 | 2 | 1 | . | . | . | 1 | ||||||
| Speckled Wood | 269 | . | 11 | . | 5 | 6 | 8 | 6 | 14 | 22 | 14 | 5 | 10 | 9 | 5 | 22 | 11 | 17 | 7 | 37 | 5 | ||||||
| Wall Brown | 120 | . | . | . | . | . | 47 | 1 | 5 | 3 | . | 4 | . | 5 | 4 | 6 | 4 | 18 | 7 | . | 6 | ||||||
| Grayling | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | ||||||
| Meadow Brown | 596 | . | . | . | . | . | . | . | . | 2 | 115 | 56 | 174 | 71 | 36 | 10 | 13 | . | . | . | 6 | ||||||
| Small Heath | 179 | . | . | . | . | . | 56 | 32 | 43 | 12 | 1 | . | 1 | . | . | . | . | . | . | . | . | ||||||