
| 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 | ||||||||||||||||||||||||||
| Large Skipper | 50 | . | . | . | . | . | . | . | . | 9 | 16 | 9 | 11 | 5 | . | . | . | . | . | . | |||||||
| Dingy Skipper | 23 | . | . | . | 1 | 2 | 2 | 2 | 9 | 6 | 1 | . | . | . | . | . | . | . | . | . | |||||||
| Brimstone | 22 | . | . | . | 1 | . | 2 | 4 | . | . | . | . | . | . | . | . | . | 2 | 4 | 9 | |||||||
| Large White | 28 | . | 1 | . | 2 | 2 | 6 | 4 | 2 | 2 | . | 1 | . | . | . | . | . | 1 | 1 | 2 | |||||||
| Green-veined White | 55 | . | . | 2 | 2 | . | 12 | 3 | . | . | 1 | 1 | 1 | . | 5 | 1 | 5 | 1 | 4 | 3 | |||||||
| Orange Tip | 184 | 1 | 9 | 60 | 46 | 24 | 25 | 19 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Green Hairstreak | 32 | . | 3 | 6 | 12 | 4 | 2 | 5 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Northern Brown Argus | 234 | . | . | . | . | . | . | . | . | 6 | 34 | 51 | 52 | 55 | 16 | 3 | 3 | 1 | . | . | |||||||
| Common Blue | 21 | . | . | . | . | . | . | . | 3 | 1 | 6 | 3 | 6 | 2 | . | . | . | . | . | . | |||||||
| Red Admiral | 37 | . | . | . | . | . | . | . | . | . | 1 | . | 2 | 2 | . | . | . | . | 1 | 31 | |||||||
| Painted Lady | 1 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Tortoiseshell | 44 | 2 | 5 | . | 3 | 2 | 1 | 1 | . | . | . | . | . | . | 1 | 2 | 10 | . | . | 5 | |||||||
| Peacock | NI | 6 | 2 | 2 | 3 | 1 | 1 | . | . | . | . | . | . | . | . | . | 12 | 15 | 42 | 21 | |||||||
| Small Pearl-bordered Fritillary | 297 | . | . | . | . | . | . | . | 17 | 112 | 72 | 44 | 31 | 18 | 2 | . | . | . | . | . | |||||||
| Pearl-bordered Fritillary | 380 | . | . | . | 36 | 76 | 87 | 105 | 59 | 16 | 1 | . | . | . | . | . | . | . | . | . | |||||||
| High Brown Fritillary | 228 | . | . | . | . | . | . | . | . | . | . | 2 | 21 | 39 | 75 | 19 | 9 | 2 | . | . | |||||||
| Wall Brown | 79 | . | . | . | . | . | 3 | 10 | 5 | 3 | 1 | . | . | . | . | . | 7 | 14 | 14 | 2 | |||||||
| Grayling | 9 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | 5 | . | . | |||||||
| Meadow Brown | 664 | . | . | . | . | . | . | . | . | . | 1 | 46 | 127 | 145 | 130 | 50 | 25 | 12 | . | . | |||||||
| Small Heath | 170 | . | . | . | . | 3 | 7 | 12 | 47 | 42 | 17 | 28 | 12 | 2 | . | . | . | . | . | . | |||||||