
| 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 | NI | . | . | . | . | . | . | . | . | . | . | 6 | 12 | 4 | . | . | . | . | . | . | |||||||
| Lulworth Skipper | NI | . | . | . | . | . | . | . | . | . | . | . | 4 | 8 | . | 5 | 2 | 4 | 1 | . | |||||||
| Large Skipper | 40 | . | . | . | . | . | . | . | 1 | 4 | 4 | 15 | 2 | . | . | . | . | . | . | . | |||||||
| Dingy Skipper | 76 | . | . | . | . | 7 | 20 | 16 | 13 | 3 | . | . | . | . | . | . | . | . | . | . | |||||||
| Large White | 81 | . | . | . | . | . | . | . | . | 4 | 5 | 2 | 4 | 1 | 14 | 11 | 10 | 5 | 1 | . | |||||||
| Small White | 72 | . | . | 2 | . | 4 | . | 3 | 2 | 2 | . | 1 | . | 4 | 11 | 10 | 8 | 2 | 1 | . | |||||||
| Green-veined White | 2 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Orange Tip | 11 | . | . | 1 | 1 | 2 | 2 | 1 | . | . | 2 | . | . | . | . | . | . | . | . | . | |||||||
| Green Hairstreak | 33 | . | . | . | . | 7 | 4 | 6 | 5 | 2 | . | 1 | . | . | . | . | . | . | . | . | |||||||
| Small Copper | 11 | . | . | 1 | . | 1 | 2 | 1 | . | . | . | . | . | 1 | 1 | . | 1 | . | . | . | |||||||
| Small Blue | NI | . | . | . | . | . | 2 | . | . | 1 | . | . | . | . | . | . | . | 1 | . | . | |||||||
| Brown Argus | 87 | . | . | . | . | 6 | 20 | 19 | 5 | 4 | 2 | . | . | . | 4 | . | 3 | 7 | . | . | |||||||
| Common Blue | 77 | . | . | . | . | . | 1 | 8 | 8 | 7 | 4 | 3 | . | . | 2 | 5 | 15 | 5 | 1 | 1 | |||||||
| Chalk-hill Blue | 20 | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 4 | 3 | 1 | 1 | . | . | |||||||
| Adonis Blue | 214 | . | . | . | . | . | . | 26 | 42 | 17 | 7 | . | . | . | . | 5 | 21 | 27 | 8 | 5 | |||||||
| Holly Blue | 19 | . | . | . | 3 | 7 | . | 2 | 2 | . | . | . | . | . | 1 | 1 | . | . | . | . | |||||||
| Red Admiral | 9 | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | 2 | 1 | . | 2 | |||||||
| Painted Lady | 11 | 2 | . | . | . | . | . | . | . | . | 2 | 1 | . | . | . | 1 | 1 | . | 3 | . | |||||||
| Small Tortoiseshell | 33 | . | 3 | 2 | 2 | . | . | . | . | . | . | 2 | 1 | 3 | . | . | 7 | 3 | 3 | . | |||||||
| Peacock | NI | 2 | . | 6 | 4 | 3 | 1 | . | . | . | . | . | . | 2 | 2 | 2 | . | 1 | . | . | |||||||
| Comma | 7 | . | 1 | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | 1 | |||||||
| Dark Green Fritillary | 6 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 1 | 1 | . | . | . | . | . | |||||||
| Speckled Wood | 79 | . | . | 4 | 2 | 4 | 2 | 2 | 2 | 1 | 1 | 2 | . | . | 6 | 8 | 11 | 9 | 7 | 9 | |||||||
| Wall Brown | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | |||||||
| Marbled White | 306 | . | . | . | . | . | . | . | . | . | 6 | 66 | 82 | 34 | 1 | 4 | . | . | . | . | |||||||
| Grayling | 37 | . | . | . | . | . | . | . | . | . | . | . | 10 | 7 | 2 | 2 | 1 | . | . | . | |||||||
| Gatekeeper / Hedge Brown | 328 | . | . | . | . | . | . | . | . | . | . | . | 23 | 94 | 26 | 33 | 25 | 7 | . | 1 | |||||||
| Meadow Brown | 1230 | . | . | . | . | . | . | . | . | 1 | 6 | 50 | 104 | 126 | 82 | 103 | 91 | 102 | 35 | 34 | |||||||
| Small Heath | 206 | . | . | . | . | . | 3 | 4 | 18 | 31 | 26 | 24 | 20 | . | 3 | 4 | . | 7 | 2 | . | |||||||
| Ringlet | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | |||||||