
| 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 | 294 | . | . | . | . | . | . | . | . | . | . | . | 23 | 45 | 66 | 79 | 62 | 17 | . | 1 | |||||||
| Large Skipper | 244 | . | . | . | . | . | . | . | . | 26 | 58 | 65 | 55 | 20 | 2 | 1 | 2 | 15 | 3 | . | |||||||
| Grizzled Skipper | 2 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Wood White | 14 | . | . | . | . | . | . | 1 | 3 | 2 | 4 | 1 | 2 | . | . | . | . | . | . | . | |||||||
| Brimstone | 47 | 3 | 5 | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 1 | 25 | 7 | . | |||||||
| Large White | 72 | . | . | . | . | 1 | 4 | . | 1 | . | 2 | . | . | 4 | 1 | . | . | 44 | 10 | 1 | |||||||
| Small White | 386 | . | . | . | . | 3 | 2 | . | 1 | . | 1 | . | . | 1 | 5 | . | 24 | 83 | 130 | 65 | |||||||
| Green-veined White | 57 | . | . | . | 4 | . | 6 | 3 | . | . | . | . | 1 | 4 | . | 8 | 18 | 9 | . | . | |||||||
| Orange Tip | 7 | . | . | . | . | 6 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | |||||||
| Small Copper | 28 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 3 | 6 | 4 | 3 | |||||||
| Brown Argus | 84 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | 24 | 4 | 28 | 13 | |||||||
| Common Blue | 303 | . | . | . | . | . | . | 1 | 3 | 3 | . | 2 | . | . | 1 | 5 | 8 | 125 | 123 | 19 | |||||||
| Red Admiral | 69 | 1 | . | . | . | 1 | . | . | . | 1 | . | . | . | . | . | . | . | 23 | 11 | 9 | |||||||
| Painted Lady | 48 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | 9 | 16 | 8 | 4 | |||||||
| Small Tortoiseshell | 410 | 1 | . | . | 1 | . | . | . | . | . | 5 | . | 5 | 7 | 5 | . | 1 | 224 | 139 | 13 | |||||||
| Peacock | 275 | 7 | 13 | . | 7 | . | 1 | . | . | . | . | . | . | . | 11 | 14 | 46 | 132 | 35 | . | |||||||
| Comma | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | |||||||
| Small Pearl-bordered Fritillary | 14 | . | . | . | . | . | . | . | 3 | 1 | 2 | 3 | 2 | . | . | . | . | . | . | . | |||||||
| Dark Green Fritillary | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | |||||||
| Silver-washed Fritillary | 82 | . | . | . | . | . | . | . | . | . | . | . | 6 | 5 | 9 | 7 | 4 | 29 | 22 | . | |||||||
| Speckled Wood | 442 | . | 5 | . | 5 | 7 | 4 | 35 | 23 | 30 | 17 | 9 | 2 | 1 | 1 | 1 | 4 | 36 | 115 | 73 | |||||||
| Wall Brown | 4 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | 1 | 2 | . | |||||||
| Marbled White | 246 | . | . | . | . | . | . | . | . | . | . | . | 50 | 104 | 49 | 23 | 15 | 4 | 1 | . | |||||||
| Gatekeeper / Hedge Brown | 539 | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 91 | 100 | 135 | 181 | 29 | . | |||||||
| Meadow Brown | 384 | . | . | . | . | . | . | . | . | 13 | 15 | 20 | 67 | 48 | 20 | 49 | 62 | 56 | 29 | 5 | |||||||
| Small Heath | 12 | . | . | . | . | . | . | 4 | 1 | 2 | . | 1 | . | 1 | . | . | . | . | 4 | . | |||||||
| Ringlet | 764 | . | . | . | . | . | . | . | . | . | 1 | 8 | 252 | 267 | 108 | 37 | 54 | 37 | . | . | |||||||