
| 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 | 60 | . | . | . | . | . | . | 6 | 3 | 12 | 3 | 17 | 1 | 1 | 1 | . | . | . | |||||||||
| Large Skipper | 25 | . | . | . | . | . | . | 5 | 5 | 8 | . | 2 | . | . | . | . | . | . | |||||||||
| Dingy Skipper | 13 | . | . | . | 1 | 5 | 4 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Grizzled Skipper | 11 | . | . | . | 2 | 4 | 3 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Clouded Yellow | 2 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | 1 | . | . | |||||||||
| Brimstone | 90 | 17 | 3 | 6 | 11 | 2 | 5 | . | 1 | 1 | . | 11 | 4 | 2 | 8 | . | 4 | . | |||||||||
| Large White | 58 | . | . | . | . | 1 | 2 | . | 5 | 1 | 4 | 6 | 9 | 13 | 2 | 1 | 2 | . | |||||||||
| Small White | 72 | . | . | . | 3 | 2 | 5 | . | 4 | 1 | 5 | 12 | 6 | 7 | 4 | 1 | 3 | 2 | |||||||||
| Green-veined White | 128 | 1 | . | 3 | . | 11 | 2 | 1 | . | 4 | 13 | 21 | 25 | 27 | 10 | 3 | 1 | . | |||||||||
| Orange Tip | 26 | 2 | 1 | 6 | 10 | 8 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Green Hairstreak | 1 | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Purple Hairstreak | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | |||||||||
| Small Copper | 5 | . | . | 1 | 1 | 1 | . | . | . | . | . | 1 | . | 1 | . | . | . | . | |||||||||
| Brown Argus | 7 | . | . | . | . | 1 | 2 | . | . | . | . | . | . | . | 3 | . | . | . | |||||||||
| Common Blue | NI | . | . | . | . | . | 1 | . | . | . | . | 2 | 1 | 1 | 2 | . | . | . | |||||||||
| Holly Blue | 24 | . | . | 4 | 1 | 5 | 1 | . | . | 1 | . | 3 | 4 | . | . | . | . | . | |||||||||
| White Admiral | 4 | . | . | . | . | . | . | 1 | 1 | 1 | . | . | . | . | . | . | . | . | |||||||||
| Red Admiral | 26 | . | . | 1 | . | 1 | 1 | . | 4 | 1 | . | 1 | . | 3 | 1 | 3 | 1 | . | |||||||||
| Painted Lady | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Tortoiseshell | 3 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||||||
| Peacock | 70 | 14 | 3 | 11 | 7 | 3 | 1 | . | . | . | 3 | 7 | 8 | . | 3 | . | 1 | . | |||||||||
| Comma | 24 | . | . | . | 1 | . | . | . | 3 | 6 | . | . | . | 1 | 4 | . | 3 | 4 | |||||||||
| Pearl-bordered Fritillary | 13 | . | . | . | 2 | 11 | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Dark Green Fritillary | 2 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Silver-washed Fritillary | 99 | . | . | . | . | . | . | . | 6 | 21 | 3 | 16 | 11 | 14 | 5 | . | . | . | |||||||||
| Speckled Wood | 225 | . | . | 2 | 3 | 6 | 5 | 3 | 6 | . | . | 6 | 22 | 56 | 38 | 17 | 20 | 2 | |||||||||
| Marbled White | 215 | . | . | . | . | . | . | 53 | 44 | 70 | 4 | . | 2 | . | . | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 99 | . | . | . | . | . | . | . | 6 | 9 | 6 | 25 | 16 | 9 | 2 | . | . | . | |||||||||
| Meadow Brown | 682 | . | . | . | . | . | . | 68 | 32 | 95 | 36 | 100 | 94 | 49 | 28 | 6 | 3 | . | |||||||||
| Ringlet | 541 | . | . | . | . | . | . | 49 | 147 | 228 | 9 | 21 | 4 | . | . | . | . | . | |||||||||