
| 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 | 173 | . | . | . | . | . | . | . | . | . | 3 | 8 | 1 | 26 | 58 | 24 | 9 | 3 | . | . | . | . | |||||
| Large Skipper | 90 | . | . | . | . | . | . | . | 10 | 10 | 5 | 14 | 40 | 1 | 4 | . | . | . | . | . | . | . | |||||
| Clouded Yellow | 10 | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | 2 | . | 2 | 2 | . | . | . | |||||
| Brimstone | 94 | 5 | 2 | 5 | 10 | 5 | 6 | 6 | 1 | . | . | . | . | . | . | 17 | 3 | 5 | . | . | . | 1 | |||||
| Large White | 53 | . | . | . | . | . | . | . | . | . | . | . | 3 | 2 | 19 | 6 | 5 | 1 | 3 | 3 | 2 | . | |||||
| Small White | 21 | . | . | . | . | . | . | . | 1 | 1 | 1 | . | . | 1 | . | 6 | 1 | 4 | 3 | . | . | . | |||||
| Green-veined White | 55 | . | . | . | 4 | . | 8 | 11 | 1 | . | 1 | . | 3 | 2 | 1 | 2 | 6 | 2 | 1 | . | . | . | |||||
| Orange Tip | 9 | . | . | 3 | 3 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Brown Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||
| Small Copper | 11 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 2 | . | 3 | 2 | |||||
| Brown Argus | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | |||||
| Common Blue | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||
| Holly Blue | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||
| White Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | |||||
| Red Admiral | 8 | . | . | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | 2 | 3 | 1 | . | . | . | |||||
| Painted Lady | 28 | . | . | . | . | . | . | . | 7 | 1 | . | . | . | . | . | 5 | 8 | . | . | . | . | . | |||||
| Small Tortoiseshell | 34 | . | . | . | . | . | . | . | 1 | 1 | 3 | . | . | . | . | 2 | 13 | 7 | 2 | 1 | 1 | . | |||||
| Peacock | 119 | 11 | 11 | 2 | 15 | 3 | 1 | . | . | . | . | . | . | . | 1 | 55 | 16 | 3 | . | . | . | . | |||||
| Comma | 8 | . | 2 | . | 4 | . | . | . | . | 1 | . | 1 | . | . | . | . | 1 | . | . | . | . | 3 | |||||
| Small Pearl-bordered Fritillary | 17 | . | . | . | . | . | . | . | 8 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||
| Silver-washed Fritillary | 83 | . | . | . | . | . | . | . | . | . | 6 | 13 | 26 | 6 | 15 | 4 | 5 | 1 | . | . | . | . | |||||
| Marsh Fritillary | 22 | . | . | . | . | . | . | 7 | 7 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Speckled Wood | 235 | 4 | 7 | 5 | 9 | 1 | 7 | 13 | . | 3 | 1 | . | 2 | 5 | 16 | 31 | 19 | 20 | 16 | 4 | 10 | 5 | |||||
| Marbled White | 107 | . | . | . | . | . | . | . | . | 2 | 8 | 21 | 39 | 24 | 11 | . | . | . | . | . | . | . | |||||
| Gatekeeper / Hedge Brown | 328 | . | . | . | . | . | . | . | . | . | . | 2 | . | 36 | 70 | 65 | 46 | 8 | . | . | . | . | |||||
| Meadow Brown | 991 | . | . | . | . | . | . | . | 4 | 40 | 230 | 190 | 185 | 124 | 95 | 23 | 17 | 6 | 1 | . | . | . | |||||
| Small Heath | NI | . | . | . | . | . | . | . | . | . | 137 | . | . | . | . | . | . | . | . | . | . | . | |||||
| Ringlet | 460 | . | . | . | . | . | . | . | . | 42 | . | 77 | 189 | 92 | 42 | . | . | . | . | . | . | . | |||||