
| 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 | 95 | . | . | . | . | . | . | 2 | 9 | 39 | 25 | 33 | 12 | 1 | . | . | . | . | . | ||||||||
| Large Skipper | 108 | . | . | . | . | . | 7 | 29 | 2 | 55 | 16 | . | 4 | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 2 | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | NI | 8 | 11 | 15 | 7 | 4 | . | . | 2 | 2 | 17 | . | 8 | 19 | 6 | 8 | 21 | 22 | 1 | ||||||||
| Large White | 33 | . | . | . | . | 1 | . | . | 1 | . | 8 | 26 | 3 | 1 | . | 1 | 2 | . | . | ||||||||
| Small White | 80 | . | . | 1 | . | . | . | 1 | 2 | 5 | 11 | 20 | 10 | 7 | 4 | 2 | 10 | 4 | . | ||||||||
| Green-veined White | NI | . | 2 | 2 | . | . | . | . | . | 1 | . | . | . | . | 1 | . | 2 | 1 | . | ||||||||
| Orange Tip | NI | . | 2 | 3 | 1 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 2 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | ||||||||
| Brown Argus | 10 | . | . | . | . | 1 | . | . | . | . | . | . | 2 | 1 | 2 | 2 | . | . | . | ||||||||
| Common Blue | 93 | . | . | . | 2 | 1 | 1 | . | . | . | . | 2 | 23 | 14 | 18 | 10 | . | . | . | ||||||||
| White Admiral | 35 | . | . | . | . | . | 1 | 13 | 3 | 11 | 3 | 2 | 1 | . | . | . | . | . | . | ||||||||
| Purple Emperor | 1 | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 73 | . | 1 | 2 | . | 1 | 1 | 13 | 3 | 9 | 9 | 6 | 3 | 2 | 4 | 2 | 3 | 1 | 1 | ||||||||
| Painted Lady | 17 | . | . | . | . | . | 1 | . | . | 2 | . | . | 5 | 3 | 1 | . | 1 | 1 | . | ||||||||
| Small Tortoiseshell | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Peacock | 33 | . | 4 | 3 | . | . | . | . | 1 | . | . | 1 | 4 | 3 | 2 | 1 | . | 2 | . | ||||||||
| Comma | 101 | 6 | 4 | 2 | 1 | . | . | 2 | 4 | 13 | 1 | 4 | 1 | 1 | . | 2 | 4 | 34 | . | ||||||||
| Small Pearl-bordered Fritillary | NI | . | . | . | 1 | 3 | 6 | 3 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Pearl-bordered Fritillary | 42 | . | . | . | 10 | 14 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Dark Green Fritillary | 2 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | ||||||||
| Silver-washed Fritillary | 599 | . | . | . | . | . | . | 26 | 62 | 93 | 92 | . | 135 | 59 | 40 | 3 | 2 | . | . | ||||||||
| Speckled Wood | 369 | . | 1 | 2 | 8 | 8 | 28 | 16 | . | . | . | . | 7 | 11 | 55 | 58 | 51 | 24 | . | ||||||||
| Marbled White | 16 | . | . | . | . | . | . | 2 | 4 | 6 | 5 | . | . | . | . | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 413 | . | . | . | . | . | . | . | 3 | 15 | 46 | 112 | 152 | 27 | 14 | 3 | . | . | . | ||||||||
| Meadow Brown | 125 | . | . | . | . | . | . | 7 | 6 | 12 | 25 | 27 | 19 | 9 | 12 | 2 | . | . | . | ||||||||
| Ringlet | 605 | . | . | . | . | . | . | 44 | 93 | 256 | 166 | 92 | 47 | 2 | . | . | . | . | . | ||||||||