
| 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 | ||||||||||||||||||||||||||
| Lulworth Skipper | 127 | . | . | . | . | . | . | . | . | . | 5 | 17 | 23 | 33 | 26 | 13 | 10 | . | . | ||||||||
| Clouded Yellow | 17 | . | . | . | . | 1 | . | 1 | . | . | . | . | 3 | 5 | . | 1 | 2 | 2 | 1 | ||||||||
| Large White | 72 | . | . | . | 2 | . | . | 1 | . | . | . | 4 | 2 | 23 | 10 | 12 | 12 | 3 | 2 | ||||||||
| Small White | 10 | . | . | 1 | . | . | . | . | . | 1 | 1 | . | 7 | . | . | . | . | . | . | ||||||||
| Orange Tip | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Common Blue | 91 | . | . | 3 | . | . | 5 | . | . | . | . | . | 1 | 3 | 6 | 15 | 21 | 21 | 8 | ||||||||
| Red Admiral | 11 | . | . | . | . | 1 | . | 2 | 1 | . | . | . | . | 1 | 1 | 4 | . | . | 1 | ||||||||
| Painted Lady | 12 | . | . | . | . | . | 1 | . | . | . | . | . | 3 | 6 | . | 2 | . | . | . | ||||||||
| Small Tortoiseshell | 21 | . | 1 | 2 | . | . | 1 | . | . | 1 | 2 | 3 | . | . | . | 1 | 4 | 4 | 3 | ||||||||
| Peacock | 6 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | 3 | . | . | . | . | . | ||||||||
| Speckled Wood | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | ||||||||
| Marbled White | 170 | . | . | . | . | . | . | . | . | . | 33 | 58 | 36 | 37 | 4 | 2 | 1 | . | . | ||||||||
| Grayling | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | 5 | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 41 | . | . | . | . | . | . | . | . | . | . | 8 | 11 | 18 | . | 2 | . | . | . | ||||||||
| Meadow Brown | 610 | . | . | . | . | 1 | 4 | . | 8 | 10 | 24 | 66 | 95 | 106 | 133 | 73 | 53 | 21 | 6 | ||||||||
| Small Heath | 2 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | 1 | ||||||||