
| 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/Essex Skipper | 33 | . | . | . | . | . | . | . | . | . | 8 | 20 | 2 | 1 | 2 | 1 | 1 | . | . | . | . | ||||||
| Silver-spotted Skipper | 17 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 13 | 1 | 2 | . | . | . | . | ||||||
| Large Skipper | NI | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Dingy Skipper | NI | . | . | . | 3 | 11 | 4 | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Clouded Yellow | 35 | . | . | . | . | . | . | . | 1 | . | . | 1 | 2 | 3 | 5 | 7 | 3 | 1 | 1 | 5 | 2 | ||||||
| Brimstone | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Large White | 30 | . | . | . | . | 1 | . | 2 | . | . | 2 | 8 | 2 | 5 | 3 | 2 | 2 | 1 | . | . | 1 | ||||||
| Small White | 38 | . | . | 1 | 6 | 1 | 1 | 3 | . | . | 1 | . | 8 | 2 | 2 | 3 | 1 | 2 | 3 | . | . | ||||||
| Small Copper | 36 | . | . | . | . | . | 1 | 1 | 1 | . | . | 1 | 5 | 3 | 4 | 3 | . | . | 3 | 3 | 6 | ||||||
| Small Blue | 16 | . | . | . | . | . | 4 | 8 | . | . | . | 1 | . | 1 | 1 | . | . | . | . | . | . | ||||||
| Brown Argus | 4 | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | 1 | ||||||
| Common Blue | 995 | . | . | . | . | . | 39 | 89 | 19 | . | . | 5 | 41 | 41 | 122 | 164 | 224 | 100 | 57 | 52 | 2 | ||||||
| Chalk-hill Blue | 1196 | . | . | . | . | . | . | . | . | . | 12 | 166 | 285 | 155 | 261 | 164 | 108 | 63 | 15 | 8 | . | ||||||
| Adonis Blue | 302 | . | . | . | . | . | 17 | 98 | 22 | . | . | . | . | . | 1 | 6 | 45 | 47 | 49 | . | . | ||||||
| Red Admiral | 19 | . | . | 1 | . | . | 1 | 1 | 3 | . | 2 | 3 | 1 | . | . | 2 | . | . | . | . | 2 | ||||||
| Painted Lady | 36 | . | . | . | . | 2 | 3 | 4 | 3 | . | 4 | 7 | 3 | 1 | 2 | . | 1 | 1 | . | 1 | . | ||||||
| Peacock | 43 | . | 1 | 4 | 5 | 2 | 3 | 3 | 2 | . | . | 9 | 7 | . | . | . | . | . | . | . | 1 | ||||||
| Dark Green Fritillary | 4 | . | . | . | . | . | . | . | . | . | 1 | . | 3 | . | . | . | . | . | . | . | . | ||||||
| Speckled Wood | 4 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | 1 | 1 | . | ||||||
| Wall Brown | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | ||||||
| Marbled White | 561 | . | . | . | . | . | . | . | . | 170 | 104 | 75 | 74 | 6 | 2 | . | . | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | 116 | . | . | . | . | . | . | . | . | . | 10 | 38 | 31 | 16 | 13 | 11 | . | . | . | 2 | . | ||||||
| Meadow Brown | 1630 | . | . | . | . | . | . | . | 1 | 23 | 51 | 175 | 218 | 183 | 278 | 212 | 198 | 95 | 106 | 65 | 14 | ||||||
| Small Heath | 189 | . | . | . | 2 | 8 | 9 | 13 | 12 | 1 | 6 | 9 | 5 | 4 | 25 | 9 | 24 | 23 | 9 | 10 | 1 | ||||||