
| 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 | 29 | . | . | . | . | . | 6 | 5 | 6 | 4 | 2 | 1 | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 17 | 1 | 2 | 7 | 5 | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 102 | 14 | 9 | 3 | 3 | 3 | 1 | 1 | 2 | 1 | 1 | 4 | 9 | 18 | 18 | 9 | 1 | 1 | 2 | ||||||||
| Large White | 10 | . | 1 | . | . | . | 1 | . | . | 3 | . | . | 1 | 1 | . | 1 | . | . | . | ||||||||
| Small White | 13 | . | 1 | 1 | . | . | . | . | . | 2 | 2 | 3 | 1 | 2 | . | . | . | . | . | ||||||||
| Green-veined White | 20 | 1 | 2 | 1 | . | 1 | . | 2 | . | 2 | 4 | 1 | 1 | 3 | 1 | . | . | . | . | ||||||||
| Orange Tip | NI | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 6 | 2 | 3 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||||||
| Northern Brown Argus | 95 | . | . | . | . | . | 3 | 11 | 26 | 15 | 10 | 2 | 7 | . | . | 1 | . | . | . | ||||||||
| Common Blue | 66 | . | . | . | . | . | 1 | 1 | 7 | 14 | 15 | 5 | 6 | 5 | 1 | 1 | . | . | . | ||||||||
| Holly Blue | NI | 7 | 4 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Duke of Burgundy Fritillary | 27 | 1 | 11 | 11 | 2 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 3 | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | ||||||||
| Painted Lady | 9 | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 6 | . | . | . | . | ||||||||
| Small Tortoiseshell | 27 | . | . | . | . | . | . | . | . | 11 | 5 | 4 | 1 | . | . | . | . | . | . | ||||||||
| Peacock | 315 | 2 | 1 | 2 | . | . | . | . | . | . | . | 9 | 97 | 141 | 54 | 9 | . | . | . | ||||||||
| Comma | 4 | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | 1 | . | . | . | . | ||||||||
| Small Pearl-bordered Fritillary | 304 | . | . | . | 21 | 21 | 55 | 90 | 76 | 2 | . | . | . | . | . | . | . | . | . | ||||||||
| Pearl-bordered Fritillary | 56 | . | 27 | 15 | 7 | 2 | 2 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | ||||||||
| High Brown Fritillary | 70 | . | . | . | . | . | . | 4 | 1 | 18 | 15 | 11 | 7 | 1 | 1 | 2 | . | . | . | ||||||||
| Dark Green Fritillary | 124 | . | . | . | . | . | . | . | 49 | 13 | 12 | 7 | 4 | 5 | 2 | . | 1 | . | . | ||||||||
| Silver-washed Fritillary | 17 | . | . | . | . | . | . | . | . | . | . | . | 3 | 6 | 6 | 2 | . | . | . | ||||||||
| Speckled Wood | 10 | . | . | . | 1 | . | . | . | . | 1 | . | . | . | 1 | 4 | 1 | 1 | . | . | ||||||||
| Wall Brown | 17 | . | . | 2 | 3 | 1 | . | . | . | . | . | . | . | . | 2 | 1 | 3 | 3 | 2 | ||||||||
| Grayling | 52 | . | . | . | . | . | . | . | . | 15 | 11 | 12 | 3 | 2 | 1 | . | . | . | . | ||||||||
| Meadow Brown | 195 | . | . | . | . | . | . | . | 19 | 47 | 35 | 21 | 22 | 12 | 4 | 2 | . | . | . | ||||||||
| Small Heath | 60 | . | . | 2 | . | . | 1 | 1 | 9 | 10 | 2 | 12 | 2 | 5 | 2 | . | 2 | 1 | 1 | ||||||||
| Cistus Forester | NI | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Six-spot Burnet | NI | . | . | . | . | . | . | 7 | 27 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Chimney Sweeper | NI | . | . | . | . | . | 5 | . | 15 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Speckled Yellow | NI | . | . | . | . | . | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Clouded Buff | NI | . | . | . | . | . | 4 | 2 | 2 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Silver Y | NI | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Mother Shipton | NI | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||