
| 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 | 173 | . | . | . | . | . | . | . | 6 | 41 | 38 | 47 | 32 | 9 | . | . | . | . | . | ||||||||
| Lulworth Skipper | 1957 | . | . | . | . | . | . | . | . | 3 | 31 | 118 | 213 | 1008 | 19 | 51 | . | 1 | . | ||||||||
| Large Skipper | 95 | . | . | . | . | . | 11 | 27 | 20 | 8 | 6 | . | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 98 | . | . | . | . | 15 | 25 | 30 | 8 | 1 | . | . | . | . | . | . | . | . | . | ||||||||
| Grizzled Skipper | 61 | . | 1 | 6 | 9 | 15 | 11 | 8 | 3 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Clouded Yellow | 7 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | ||||||||
| Large White | 211 | . | . | 5 | 4 | 1 | 6 | 1 | . | 1 | 5 | 3 | 17 | 78 | 9 | 18 | 1 | 5 | . | ||||||||
| Small White | 17 | . | . | . | . | . | . | . | . | . | 1 | . | 6 | 4 | 2 | . | . | . | 1 | ||||||||
| Green-veined White | 1 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||||
| Orange Tip | 12 | . | . | 1 | 11 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 14 | . | . | 1 | 3 | 2 | . | . | . | . | . | 1 | . | 2 | 2 | 1 | . | . | . | ||||||||
| Small Blue | 4 | . | . | . | . | 2 | . | . | 2 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brown Argus | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | . | . | . | . | ||||||||
| Common Blue | 628 | . | . | . | 9 | 61 | 62 | 93 | 39 | 9 | 7 | 3 | 7 | 83 | 24 | 52 | 9 | 8 | 1 | ||||||||
| Chalk-hill Blue | 55 | . | . | . | . | . | . | . | . | . | . | . | 2 | 25 | 6 | 7 | . | . | . | ||||||||
| Adonis Blue | 136 | . | . | . | . | 32 | 28 | 14 | 8 | 4 | . | . | . | 2 | 5 | 7 | 2 | 12 | 1 | ||||||||
| Holly Blue | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 26 | . | . | . | . | 2 | . | . | . | 1 | . | . | 3 | 1 | . | . | . | . | . | ||||||||
| Painted Lady | 11 | . | . | . | . | . | . | . | . | . | . | 1 | 4 | 1 | . | . | . | . | . | ||||||||
| Small Tortoiseshell | 18 | 6 | 1 | . | . | . | . | . | . | . | 8 | . | 2 | . | 1 | . | . | . | . | ||||||||
| Peacock | 30 | 2 | 10 | . | . | . | . | . | . | . | . | 2 | 1 | 13 | . | . | . | . | . | ||||||||
| Comma | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||||||
| Dark Green Fritillary | 2 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | ||||||||
| Speckled Wood | 193 | . | 17 | 10 | 2 | 11 | 9 | 15 | 5 | 1 | . | 7 | 21 | 8 | 3 | 13 | 12 | 10 | 3 | ||||||||
| Wall Brown | 56 | . | 1 | 15 | 8 | 3 | 2 | . | . | . | . | . | . | 3 | 5 | 7 | . | . | . | ||||||||
| Marbled White | 1247 | . | . | . | . | . | . | . | 7 | 55 | 147 | 140 | 189 | 460 | 5 | 9 | . | . | . | ||||||||
| Grayling | 5 | . | . | . | . | . | . | . | . | . | 1 | . | . | 3 | . | 1 | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 2416 | . | . | . | . | . | . | . | . | . | 7 | 124 | 314 | 1248 | 32 | 51 | . | . | . | ||||||||
| Meadow Brown | 619 | . | . | . | . | . | . | 2 | 37 | 65 | 66 | 59 | 48 | 41 | 49 | 68 | 28 | 27 | 12 | ||||||||
| Small Heath | 166 | . | . | . | 17 | 39 | 26 | 30 | 11 | 6 | 2 | . | 2 | 1 | 1 | 1 | 2 | 6 | . | ||||||||