
| 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 | 8 | . | . | . | . | . | . | . | . | . | 1 | 4 | 3 | . | . | . | . | . | . | . | . | . | . | . | |||
| Dingy Skipper | 15 | . | . | . | . | . | . | 7 | 2 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||
| Brimstone | 61 | 8 | 7 | 1 | 4 | 1 | 2 | 5 | 2 | . | . | . | . | . | . | . | 1 | 6 | 4 | 2 | 4 | 2 | . | . | |||
| Large White | 38 | . | . | . | 2 | 3 | 1 | 1 | 7 | 2 | 1 | . | . | . | . | 2 | 7 | 2 | 1 | 2 | 1 | . | . | . | |||
| Small White | 6 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 1 | . | 1 | . | . | . | |||
| Green-veined White | 14 | . | . | 1 | . | 1 | 3 | . | 2 | . | . | . | . | . | 6 | 1 | . | . | . | . | . | . | . | . | |||
| Orange Tip | 9 | . | . | . | 2 | 2 | 4 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||
| Small Copper | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | |||
| Northern Brown Argus | 15 | . | . | . | . | . | . | . | . | . | 2 | 6 | 4 | 3 | . | . | . | . | . | . | . | . | . | . | |||
| Common Blue | 21 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | 2 | 9 | 7 | . | . | . | 1 | . | |||
| Holly Blue | 9 | . | . | . | . | 2 | 2 | . | 1 | . | . | . | . | . | . | . | 1 | 2 | . | 1 | . | . | . | . | |||
| Red Admiral | 16 | . | . | . | . | . | . | . | . | . | . | . | 5 | 1 | . | . | 1 | 1 | 1 | 3 | 2 | 1 | 1 | . | |||
| Painted Lady | 7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 3 | . | 2 | . | . | . | . | |||
| Small Tortoiseshell | 10 | 2 | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | 2 | 1 | . | 1 | 2 | . | . | . | |||
| Peacock | 177 | 11 | 7 | 4 | 2 | 3 | 3 | 1 | . | . | . | . | . | . | . | . | 43 | 43 | 32 | 11 | 4 | . | . | . | |||
| Comma | NI | 1 | . | 2 | . | . | . | . | . | . | . | . | . | . | . | 2 | 3 | . | . | . | . | . | . | . | |||
| Small Pearl-bordered Fritillary | NI | . | . | . | . | . | . | . | . | 8 | 8 | 6 | 3 | . | . | . | . | . | . | . | . | . | . | . | |||
| Pearl-bordered Fritillary | 81 | . | . | . | . | 3 | 6 | 33 | 32 | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||
| High Brown Fritillary | 84 | . | . | . | . | . | . | . | . | . | . | 5 | 21 | 30 | 15 | 8 | 1 | 1 | . | . | . | . | . | . | |||
| Dark Green Fritillary | 12 | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 5 | 3 | . | . | . | . | . | . | . | . | |||
| Speckled Wood | 743 | . | 1 | 1 | 15 | 36 | 29 | 11 | 4 | 10 | 25 | 64 | 36 | 44 | 12 | 15 | 39 | 50 | 69 | 31 | 39 | 107 | 64 | . | |||
| Wall Brown | 63 | . | . | . | . | 1 | 3 | 3 | 8 | 9 | 2 | . | 2 | 2 | . | . | 3 | 11 | 6 | 3 | 7 | 2 | . | . | |||
| Grayling | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||
| Meadow Brown | 182 | . | . | . | . | . | . | . | . | . | . | 5 | 21 | 45 | 48 | 27 | 12 | 4 | 3 | . | . | . | . | . | |||
| Small Heath | 11 | . | . | . | . | 1 | . | 1 | 3 | 2 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | |||
| Chimney Sweeper | NI | . | . | . | . | . | . | . | . | . | . | 4 | . | 2 | . | . | . | . | . | . | . | . | . | . | |||
| Speckled Yellow | NI | . | . | . | . | 5 | 4 | 1 | 6 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||
| Humming-bird Hawk-moth | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||
| Silver Y | NI | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 2 | 1 | 3 | 1 | 2 | . | 1 | . | |||
| The Cinnabar | NI | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||
| Mother Shipton | NI | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||