
| 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 | 168 | . | . | . | . | . | . | . | . | 21 | 83 | 43 | 8 | 3 | . | . | . | . | . | ||||||||
| Large Skipper | 22 | . | . | . | . | . | 2 | 6 | 3 | . | . | . | . | . | . | . | . | . | . | ||||||||
| Dingy Skipper | 11 | . | . | . | 3 | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brimstone | 7 | . | 1 | 3 | . | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | . | ||||||||
| Large White | 19 | . | . | . | 3 | 1 | 1 | 1 | . | . | 1 | . | 1 | 2 | 1 | . | . | . | . | ||||||||
| Small White | 32 | . | . | . | 1 | . | 1 | . | . | 2 | 4 | 3 | 2 | 4 | 2 | . | 1 | 2 | 2 | ||||||||
| Green-veined White | 15 | . | . | . | . | 3 | . | . | . | 1 | 1 | 5 | 1 | . | 2 | . | . | . | . | ||||||||
| Orange Tip | 2 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Green Hairstreak | 27 | . | . | 10 | 4 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | 3 | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Brown Argus | 155 | . | . | 2 | 15 | 12 | 26 | . | 2 | . | . | 2 | 11 | 8 | 12 | 10 | 5 | 2 | . | ||||||||
| Common Blue | 219 | . | . | . | 10 | 19 | 19 | 12 | 5 | 1 | . | . | 20 | 14 | 22 | 23 | 12 | 5 | 1 | ||||||||
| Chalk-hill Blue | 23 | . | . | . | . | . | . | . | . | . | 1 | 4 | 5 | 2 | 5 | 1 | . | 1 | . | ||||||||
| Adonis Blue | 62 | . | . | . | 1 | 1 | 7 | 2 | . | . | . | . | . | 1 | 8 | 11 | 6 | 8 | 4 | ||||||||
| Holly Blue | 13 | . | . | 3 | 1 | . | . | . | . | . | . | 1 | 4 | . | . | . | . | . | . | ||||||||
| Duke of Burgundy Fritillary | 3 | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Red Admiral | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||||||
| Painted Lady | 2 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Small Tortoiseshell | 40 | 2 | 2 | 1 | . | . | 1 | 2 | 6 | 4 | . | . | . | 1 | 3 | 1 | . | . | 3 | ||||||||
| Peacock | 14 | . | 4 | 1 | . | . | . | . | . | 1 | 3 | 6 | . | . | . | . | . | . | . | ||||||||
| Comma | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | ||||||||
| Speckled Wood | 28 | . | . | . | 1 | 1 | 1 | 1 | . | . | . | 2 | 1 | 7 | 1 | 1 | . | . | . | ||||||||
| Wall Brown | 27 | . | . | 3 | 6 | 3 | . | . | . | . | . | . | 1 | 3 | . | 1 | . | . | 1 | ||||||||
| Marbled White | 170 | . | . | . | . | . | . | . | 8 | 66 | 33 | 17 | 5 | . | . | . | . | . | . | ||||||||
| Gatekeeper / Hedge Brown | 18 | . | . | . | . | . | . | . | . | . | 4 | 5 | 4 | 3 | . | . | . | . | . | ||||||||
| Meadow Brown | 481 | . | . | . | . | . | . | 9 | 35 | 51 | 128 | 78 | 43 | 38 | 5 | 4 | 1 | . | . | ||||||||
| Small Heath | 661 | . | . | . | 32 | 44 | 73 | 43 | 39 | 34 | 15 | 5 | 19 | 35 | 34 | 30 | 21 | 19 | 3 | ||||||||
| Ringlet | 27 | . | . | . | . | . | . | . | 3 | 9 | 3 | . | . | . | . | . | . | . | . | ||||||||
| The Forester | NI | . | . | . | . | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Five-spot Burnet | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Silver Y | NI | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Mother Shipton | NI | . | . | . | 7 | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Burnet Companion | NI | . | . | . | 1 | 7 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||||