
| 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 | 26 | . | . | . | . | . | . | . | . | . | 1 | . | 7 | 16 | . | 4 | . | . | |||||||||
| Large Skipper | 15 | . | . | . | . | . | . | . | . | . | 2 | 1 | 1 | 1 | 8 | . | . | . | |||||||||
| Brimstone | 38 | 17 | . | 4 | 7 | 1 | . | . | . | . | . | . | . | . | . | 1 | 5 | 1 | |||||||||
| Large White | 195 | . | . | . | 9 | 13 | 4 | 3 | 1 | . | 1 | . | 3 | 2 | 25 | 55 | 21 | 12 | |||||||||
| Small White | 16 | . | . | . | . | . | 4 | . | . | . | . | . | . | 12 | . | . | . | . | |||||||||
| Green-veined White | 6 | . | . | . | . | 3 | . | . | . | . | . | . | 1 | . | . | . | 1 | 1 | |||||||||
| Orange Tip | 7 | 1 | . | . | 4 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Green Hairstreak | 1 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | |||||||||
| Purple Hairstreak | 15 | . | . | . | . | . | . | . | . | . | . | . | . | 6 | 1 | . | 1 | 7 | |||||||||
| Small Copper | 18 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 8 | 7 | 3 | |||||||||
| Common Blue | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 4 | |||||||||
| White Admiral | 6 | . | . | . | . | . | . | . | . | . | . | . | 3 | 4 | . | . | . | . | |||||||||
| Red Admiral | 11 | . | . | . | . | . | . | . | . | . | . | 2 | . | 6 | 1 | . | 1 | 1 | |||||||||
| Painted Lady | 9 | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | 2 | 4 | |||||||||
| Small Tortoiseshell | 10 | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | 5 | 2 | |||||||||
| Peacock | 93 | 15 | 3 | 13 | 13 | 3 | . | . | . | . | . | . | . | 1 | 8 | 10 | 9 | 4 | |||||||||
| Comma | 2 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | |||||||||
| Silver-washed Fritillary | 32 | . | . | . | . | . | . | . | . | . | . | . | 8 | 7 | 4 | 4 | 4 | 4 | |||||||||
| Speckled Wood | 283 | . | . | . | 6 | 6 | 4 | 6 | 22 | 24 | 4 | 13 | 5 | 3 | 6 | 11 | 11 | 136 | |||||||||
| Marbled White | 2 | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 232 | . | . | . | . | . | . | . | . | . | . | . | 74 | 28 | 43 | 61 | 37 | 10 | |||||||||
| Meadow Brown | 271 | . | . | . | . | . | . | . | . | . | 12 | 34 | 28 | 57 | 52 | 29 | 14 | 10 | |||||||||
| Ringlet | 147 | . | . | . | . | . | . | . | . | . | 20 | 20 | 98 | 17 | 6 | . | . | . | |||||||||