
| 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 | 72 | . | . | . | . | . | . | 2 | 2 | 8 | 22 | 18 | 12 | 8 | . | . | . | . | . | . | |||||||
| Large Skipper | 19 | . | . | . | . | . | 1 | . | 1 | 3 | 7 | 4 | 2 | 1 | . | . | . | . | . | . | |||||||
| Clouded Yellow | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | |||||||
| Brimstone | 43 | . | . | 7 | 2 | . | . | 1 | 1 | . | . | 1 | 7 | 5 | 5 | 2 | 1 | . | . | . | |||||||
| Large White | 61 | . | . | 1 | 2 | . | . | . | . | 1 | 7 | 1 | 14 | 9 | 10 | 6 | 5 | 2 | 1 | 1 | |||||||
| Small White | 40 | . | . | 4 | 2 | 1 | . | . | . | . | 2 | . | 3 | 5 | 9 | 3 | 3 | 3 | 2 | . | |||||||
| Green-veined White | 8 | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 3 | . | 2 | 1 | . | . | . | |||||||
| Orange Tip | 13 | . | . | 3 | 5 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Green Hairstreak | 2 | . | . | . | . | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||
| Small Copper | 88 | . | . | 1 | 1 | . | . | . | . | . | 3 | 3 | 8 | 9 | 12 | 12 | 5 | 6 | 11 | 16 | |||||||
| Silver-studded Blue | 506 | . | . | . | . | . | 8 | 48 | 114 | 111 | 86 | 61 | 23 | 14 | 15 | 12 | 12 | . | 1 | 1 | |||||||
| Brown Argus | 33 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 16 | 8 | 8 | . | . | |||||||
| Common Blue | 76 | . | . | . | 1 | . | . | . | 1 | 4 | 5 | 3 | 2 | 4 | 10 | 23 | 12 | 7 | 3 | 1 | |||||||
| Holly Blue | 18 | 1 | . | 1 | 1 | . | . | . | . | . | 1 | 1 | 5 | 2 | 1 | 2 | . | 2 | . | . | |||||||
| Red Admiral | 22 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | 4 | 3 | 4 | 10 | |||||||
| Painted Lady | 7 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 4 | . | |||||||
| Small Tortoiseshell | 90 | . | 1 | . | . | . | . | . | 1 | . | . | 3 | 2 | 1 | 1 | 5 | 12 | 14 | 41 | 8 | |||||||
| Peacock | 73 | 5 | 1 | 2 | . | . | . | . | . | . | 1 | . | 15 | 8 | 9 | 8 | 12 | 1 | . | . | |||||||
| Comma | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | |||||||
| Speckled Wood | 7 | . | . | 1 | 1 | 1 | . | . | . | . | . | . | 1 | 1 | . | 1 | . | . | . | . | |||||||
| Wall Brown | 2 | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||||
| Marbled White | 2 | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | . | . | |||||||
| Grayling | 2304 | . | . | . | . | . | . | . | . | 1 | 76 | 113 | 415 | 480 | 492 | 382 | 215 | 105 | 21 | 4 | |||||||
| Gatekeeper / Hedge Brown | 952 | . | . | . | . | . | . | . | . | 6 | 108 | 101 | 245 | 231 | 139 | 95 | 25 | 2 | . | . | |||||||
| Meadow Brown | 429 | . | . | . | . | . | . | 1 | 12 | 14 | 51 | 50 | 76 | 86 | 80 | 45 | 13 | 1 | . | . | |||||||
| Small Heath | 251 | . | . | . | . | . | 7 | 24 | 44 | 33 | 43 | 27 | 19 | 14 | 19 | 6 | 8 | 7 | . | . | |||||||