
| 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 | NI | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 65 | 15 | 8 | 2 | . | . | . | ||||||
| Large Skipper | 113 | . | . | . | . | . | . | . | . | 13 | 18 | 13 | 24 | 39 | 8 | . | . | . | . | . | . | ||||||
| Clouded Yellow | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 2 | . | . | 7 | ||||||
| Brimstone | 45 | 2 | . | 1 | 6 | 8 | 2 | 17 | . | 1 | . | . | . | . | . | . | 1 | . | . | . | . | ||||||
| Large White | NI | . | . | . | . | . | 1 | 1 | . | . | 1 | . | . | 1 | . | 5 | 2 | . | 1 | 1 | 1 | ||||||
| Small White | 56 | . | . | . | . | . | 5 | . | . | 2 | . | . | . | 2 | 1 | 3 | 3 | 4 | 7 | 10 | 4 | ||||||
| Green-veined White | NI | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | 2 | . | 3 | 3 | 2 | 7 | . | ||||||
| Orange Tip | 1 | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Brown Hairstreak | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | ||||||
| Purple Hairstreak | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 5 | . | . | . | . | ||||||
| White-letter Hairstreak | 23 | . | . | . | . | . | . | . | . | . | . | . | . | 12 | 7 | . | . | . | . | . | . | ||||||
| Small Copper | NI | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | 4 | 1 | 2 | 9 | 10 | ||||||
| Brown Argus | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | 3 | ||||||
| Common Blue | NI | . | . | . | . | . | . | . | . | . | 1 | 3 | 1 | . | . | . | 6 | 4 | 8 | 3 | . | ||||||
| White Admiral | 49 | . | . | . | . | . | . | . | . | . | . | . | 5 | 13 | 20 | . | . | . | . | . | . | ||||||
| Red Admiral | NI | . | . | . | . | . | . | 1 | . | . | 1 | . | . | 2 | 2 | 2 | 3 | 1 | 1 | 1 | 2 | ||||||
| Painted Lady | 13 | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | 1 | 2 | 2 | . | . | 1 | ||||||
| Small Tortoiseshell | 10 | . | 2 | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | 2 | 3 | . | . | ||||||
| Peacock | 26 | . | 2 | 7 | 7 | 3 | . | . | . | . | . | . | . | . | . | 4 | . | 1 | . | . | . | ||||||
| Comma | 48 | 3 | 10 | 1 | 3 | 1 | . | . | . | . | . | . | . | 1 | 3 | . | . | 1 | 2 | 1 | 10 | ||||||
| Silver-washed Fritillary | 152 | . | . | . | . | . | . | . | . | . | . | . | 2 | 19 | 50 | 11 | 16 | . | . | . | . | ||||||
| Marsh Fritillary | 1 | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | ||||||
| Speckled Wood | 292 | . | . | . | 1 | 11 | 11 | 8 | 6 | 10 | 9 | 7 | 5 | 1 | . | 3 | 6 | 47 | 39 | 24 | 26 | ||||||
| Marbled White | 236 | . | . | . | . | . | . | . | . | . | . | . | 15 | 30 | 101 | 22 | . | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | NI | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 10 | 75 | 81 | 1 | . | . | . | ||||||
| Meadow Brown | 927 | . | . | . | . | . | . | . | . | . | 6 | 12 | 100 | 155 | 187 | 58 | 100 | 15 | 9 | 4 | 5 | ||||||
| Ringlet | 403 | . | . | . | . | . | . | . | . | . | . | . | 19 | 40 | 151 | 50 | 13 | . | . | . | . | ||||||