
| 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 | NI | . | . | . | . | . | . | . | . | . | . | . | 7 | 36 | 14 | 12 | 1 | . | . | . | . | ||||||
| Large Skipper | 17 | . | . | . | . | . | . | . | . | 2 | . | . | . | 2 | 4 | 5 | 1 | . | . | . | . | ||||||
| Dingy Skipper | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Clouded Yellow | 7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 4 | . | . | ||||||
| Brimstone | 9 | 1 | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | ||||||
| Large White | 30 | . | . | . | . | . | . | . | . | . | . | . | 1 | 3 | 7 | 9 | 2 | 2 | . | . | . | ||||||
| Small White | 121 | . | . | . | . | . | 3 | 1 | 1 | . | . | . | . | 4 | 7 | 29 | 6 | 11 | 14 | 11 | . | ||||||
| Orange Tip | NI | . | 1 | 2 | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Copper | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | 3 | 6 | 4 | ||||||
| Common Blue | 157 | . | . | . | . | . | 3 | . | 8 | 8 | 2 | . | . | . | 3 | . | 26 | 35 | 38 | 9 | . | ||||||
| Chalk-hill Blue | 6 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 6 | . | . | ||||||
| Holly Blue | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | ||||||
| White Admiral | 6 | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 1 | 1 | . | . | . | . | . | ||||||
| Red Admiral | 7 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 2 | . | . | . | 2 | 1 | ||||||
| Painted Lady | 7 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 3 | 1 | . | . | . | ||||||
| Small Tortoiseshell | 12 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 1 | 4 | 2 | 2 | . | ||||||
| Peacock | 8 | 1 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | 2 | . | 1 | . | . | . | . | ||||||
| Comma | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 5 | ||||||
| Speckled Wood | 73 | . | . | 2 | 2 | . | . | . | 1 | 3 | . | . | 3 | 2 | 6 | 12 | 6 | 4 | 6 | 4 | 3 | ||||||
| Gatekeeper / Hedge Brown | 361 | . | . | . | . | . | . | . | . | . | . | . | 8 | 66 | 137 | 74 | 23 | 5 | . | . | . | ||||||
| Meadow Brown | 485 | . | . | . | . | . | . | . | . | 2 | 35 | 50 | 72 | 128 | 60 | 45 | 35 | 16 | 2 | . | . | ||||||
| Ringlet | 87 | . | . | . | . | . | . | . | . | . | 4 | 20 | 30 | 24 | 8 | 1 | . | . | . | . | . | ||||||