
| 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 | 7 | . | . | . | . | . | . | . | 1 | 3 | . | 2 | . | . | . | . | . | . | . | . | . | . | |||||
| Dingy Skipper | 25 | . | . | . | 1 | 5 | 7 | . | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Brimstone | 147 | 4 | . | 2 | 1 | 2 | 6 | 8 | . | . | . | . | . | . | . | 41 | 33 | 7 | 1 | 1 | 2 | . | |||||
| Large White | 63 | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | 5 | 7 | 12 | 11 | 9 | . | 1 | . | |||||
| Small White | 49 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 5 | 22 | 1 | 5 | 6 | . | . | |||||
| Green-veined White | 94 | . | 1 | 9 | 6 | 7 | 5 | 4 | 1 | . | . | 1 | 5 | 13 | 2 | 2 | 1 | 9 | 2 | 1 | 4 | . | |||||
| Orange Tip | 8 | 1 | . | 1 | 1 | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Green Hairstreak | 19 | 1 | 1 | 3 | 4 | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Northern Brown Argus | 134 | . | . | . | . | 1 | 1 | . | 25 | 46 | 28 | 24 | . | 10 | 1 | . | . | . | . | . | . | . | |||||
| Common Blue | 42 | . | . | . | . | . | 4 | 2 | 13 | 5 | 4 | 3 | . | 2 | 4 | 1 | 1 | 4 | 1 | . | . | . | |||||
| Red Admiral | 114 | . | . | . | . | . | 1 | . | . | . | . | 3 | . | 3 | 3 | 6 | 2 | 5 | 18 | 10 | 24 | 6 | |||||
| Painted Lady | 535 | . | . | . | . | . | . | . | . | 2 | 1 | 11 | 2 | 5 | . | 38 | 49 | 114 | 120 | 31 | 5 | 2 | |||||
| Small Tortoiseshell | 296 | 3 | . | 3 | 6 | 1 | 2 | . | 2 | 4 | . | 5 | 3 | 14 | 3 | 19 | 42 | 82 | 32 | . | 1 | 1 | |||||
| Peacock | 258 | 11 | 10 | 11 | 9 | 6 | 5 | . | . | . | . | . | . | . | . | 41 | 45 | 56 | 4 | . | . | . | |||||
| Comma | 14 | . | 2 | . | 2 | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | 2 | . | . | 3 | |||||
| Small Pearl-bordered Fritillary | 81 | . | . | . | . | . | . | . | 21 | 38 | 8 | 6 | 1 | . | . | 5 | 2 | . | . | . | . | . | |||||
| Pearl-bordered Fritillary | 59 | . | . | . | 5 | 4 | 7 | 14 | 1 | . | 2 | . | 5 | 1 | . | . | . | . | . | . | . | . | |||||
| High Brown Fritillary | 171 | . | . | . | . | . | . | . | 3 | 3 | 34 | 46 | 16 | 26 | 18 | 1 | 2 | 9 | . | . | . | . | |||||
| Dark Green Fritillary | 5 | . | . | . | . | . | . | . | . | . | . | 2 | . | 1 | 1 | . | . | . | . | . | . | . | |||||
| Speckled Wood | 563 | 1 | 1 | . | 8 | 1 | 2 | 5 | 12 | 27 | 18 | 30 | 12 | 23 | 12 | 14 | 11 | 10 | 42 | 81 | 75 | 49 | |||||
| Wall Brown | 33 | . | . | . | . | 1 | 4 | . | . | . | . | . | . | . | . | 2 | 5 | 11 | 1 | . | . | . | |||||
| Meadow Brown | 634 | . | . | . | . | . | . | . | . | . | 8 | 34 | 46 | 165 | 133 | 60 | 50 | 28 | . | . | . | . | |||||
| Small Heath | 26 | . | . | . | . | . | 1 | 4 | 2 | 4 | 5 | . | 2 | . | . | . | 3 | 1 | . | . | . | . | |||||