
| 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 | 89 | . | . | . | . | . | . | . | 1 | 5 | 4 | 20 | 32 | 22 | 1 | 8 | . | . | . | . | . | ||||||
| Large Skipper | 110 | . | . | . | . | 1 | 10 | 41 | 25 | . | 19 | 5 | 1 | 4 | . | . | . | . | . | . | . | ||||||
| Brimstone | 103 | 4 | 6 | 12 | 7 | 1 | . | . | . | . | . | . | 6 | 11 | 13 | 17 | 8 | . | . | 1 | 2 | ||||||
| Large White | 45 | . | . | . | . | 1 | 3 | 3 | . | . | . | 4 | 2 | 4 | 13 | 9 | 3 | . | 1 | 1 | . | ||||||
| Small White | 108 | . | 1 | 5 | 1 | . | 2 | 33 | . | . | . | 13 | . | 33 | 12 | 1 | . | 1 | 1 | . | . | ||||||
| Green-veined White | 65 | . | 1 | 3 | 4 | 6 | 4 | 3 | . | . | . | 2 | 20 | 2 | 1 | 10 | 3 | 1 | . | . | . | ||||||
| Orange Tip | 11 | 1 | 2 | 4 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Copper | 4 | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | ||||||
| Brown Argus | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | . | . | . | . | ||||||
| Common Blue | 6 | . | . | . | . | 1 | . | 2 | . | . | . | . | . | . | . | . | 1 | . | . | . | . | ||||||
| White Admiral | 7 | . | . | . | . | . | . | . | . | 1 | 1 | . | 3 | . | 2 | . | . | . | . | . | . | ||||||
| Red Admiral | 6 | . | . | . | . | . | . | 1 | . | . | . | . | . | 2 | . | . | . | . | 2 | 1 | . | ||||||
| Painted Lady | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Tortoiseshell | 2 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Peacock | 42 | 4 | 3 | . | . | . | . | 2 | . | . | . | . | 2 | 6 | 5 | 8 | 3 | . | . | . | . | ||||||
| Comma | 5 | . | . | . | . | . | . | . | . | . | 1 | . | . | 4 | . | . | . | . | . | . | . | ||||||
| Small Pearl-bordered Fritillary | 2 | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Pearl-bordered Fritillary | 15 | . | . | 3 | 8 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Silver-washed Fritillary | 106 | . | . | . | . | . | . | . | 4 | 5 | 28 | 13 | 20 | 12 | 10 | 13 | . | . | . | . | . | ||||||
| Marsh Fritillary | 1 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Speckled Wood | 164 | 3 | 2 | 4 | 8 | 13 | 9 | 1 | . | 3 | . | . | 4 | 4 | 4 | 18 | 15 | 22 | 17 | 9 | 3 | ||||||
| Marbled White | 117 | . | . | . | . | . | . | . | 14 | 20 | 19 | 44 | 14 | 6 | . | . | . | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | 216 | . | . | . | . | . | . | . | . | 1 | 6 | 36 | 56 | 60 | 48 | 19 | 7 | . | . | . | . | ||||||
| Meadow Brown | 422 | . | . | . | . | 3 | 20 | 42 | 67 | 15 | 58 | 77 | 69 | 28 | . | 18 | 3 | . | . | . | . | ||||||
| Ringlet | 674 | . | . | . | . | . | . | . | 78 | 171 | 201 | 146 | 56 | 21 | 1 | 1 | . | . | . | . | . | ||||||