
| 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 | 6 | . | . | . | . | . | . | . | . | 2 | 2 | . | . | . | 1 | . | . | . | |||||||||
| Lulworth Skipper | 196 | . | . | . | . | . | . | . | . | 2 | 6 | 26 | 54 | 43 | 43 | 5 | . | . | |||||||||
| Large Skipper | 3 | . | . | . | . | . | . | . | . | . | 3 | . | . | . | . | . | . | . | |||||||||
| Dingy Skipper | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Clouded Yellow | 5 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | 1 | . | 1 | |||||||||
| Large White | 25 | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 13 | 1 | 6 | 1 | . | |||||||||
| Small White | 55 | . | . | . | 2 | 1 | . | . | . | . | . | . | 10 | . | 14 | 1 | 10 | 3 | |||||||||
| Green-veined White | 7 | . | . | . | . | . | . | . | . | 2 | 3 | . | . | . | . | . | . | . | |||||||||
| Common Blue | 166 | . | . | . | . | 4 | . | 5 | 5 | . | . | 2 | 9 | 37 | 43 | 18 | 26 | . | |||||||||
| Holly Blue | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Red Admiral | 45 | . | . | . | 1 | . | . | . | . | . | 1 | 1 | 2 | 4 | 1 | 3 | . | 22 | |||||||||
| Painted Lady | 100 | . | . | . | . | . | 3 | 9 | 7 | 5 | 7 | 19 | 26 | 3 | 5 | 1 | 2 | 1 | |||||||||
| Small Tortoiseshell | 53 | 2 | 2 | . | . | . | 1 | . | 2 | 1 | 1 | 5 | 3 | 19 | 10 | . | . | . | |||||||||
| Peacock | 7 | 1 | 1 | . | . | . | . | 1 | . | . | . | 2 | 1 | . | . | . | . | . | |||||||||
| Speckled Wood | 5 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 4 | . | . | |||||||||
| Marbled White | 330 | . | . | . | . | . | . | . | . | 41 | 152 | 16 | 14 | 5 | . | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 140 | . | . | . | . | . | . | . | . | . | . | 73 | 11 | 15 | 4 | 2 | . | . | |||||||||
| Meadow Brown | 1567 | . | . | . | . | . | . | 2 | 61 | 99 | 208 | 164 | 234 | 257 | 127 | 91 | 37 | . | |||||||||
| Small Heath | 69 | . | . | . | . | 1 | . | . | 2 | 2 | 2 | . | 2 | 1 | 24 | 11 | 9 | 4 | |||||||||
| Six-spot Burnet | NI | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||||
| Humming-bird Hawk-moth | NI | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | |||||||||
| Silver Y | NI | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||||