
| 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 | . | . | . | . | . | . | . | . | . | 5 | 18 | 14 | 7 | . | . | . | . | . | . | . | ||||||
| Essex Skipper | NI | . | . | . | . | . | . | . | . | . | 1 | 2 | . | . | . | . | . | . | . | . | . | ||||||
| Large Skipper | NI | . | . | . | . | . | . | 1 | 2 | 2 | 2 | . | . | . | . | . | . | . | . | . | . | ||||||
| Dingy Skipper | NI | . | . | 3 | 5 | 5 | 1 | 5 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Brimstone | NI | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||
| Large White | NI | . | . | 3 | . | 1 | 1 | . | . | . | . | 5 | 4 | 4 | 2 | 2 | 1 | . | . | . | . | ||||||
| Small White | NI | 1 | . | 1 | . | . | . | . | . | . | 1 | 5 | . | 7 | 2 | 3 | . | . | . | . | . | ||||||
| Green-veined White | NI | . | . | . | . | . | . | . | . | . | . | . | 3 | 2 | . | . | . | 1 | . | . | . | ||||||
| Green Hairstreak | NI | . | 2 | 3 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Copper | NI | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||
| Small Blue | NI | . | . | . | 1 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Brown Argus | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 3 | 2 | . | 2 | . | . | ||||||
| Common Blue | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | 4 | . | 3 | 4 | 7 | 3 | . | . | ||||||
| Chalk-hill Blue | NI | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 6 | 4 | 8 | 4 | 2 | . | . | . | ||||||
| Adonis Blue | NI | . | . | . | 2 | 26 | 26 | 38 | 9 | 4 | 1 | . | . | . | . | 7 | 19 | 53 | 55 | 28 | 11 | ||||||
| Red Admiral | NI | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 2 | ||||||
| Painted Lady | NI | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||
| Small Tortoiseshell | NI | . | . | . | . | . | . | . | . | . | 1 | 2 | . | 2 | 1 | 1 | . | 1 | 1 | . | . | ||||||
| Peacock | NI | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | ||||||
| Comma | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | ||||||
| Dark Green Fritillary | NI | . | . | . | . | . | . | . | 1 | . | . | 2 | 1 | . | . | . | . | . | . | . | . | ||||||
| Marsh Fritillary | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Speckled Wood | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | ||||||
| Wall Brown | NI | . | 1 | 4 | 1 | 7 | 4 | 2 | . | . | . | . | 2 | 8 | 20 | 12 | 10 | 6 | . | . | . | ||||||
| Marbled White | NI | . | . | . | . | . | . | . | 2 | 22 | 51 | 36 | 21 | 2 | 1 | . | . | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | NI | . | . | . | . | . | . | . | . | . | . | 3 | 2 | 14 | 3 | 1 | 1 | . | . | . | . | ||||||
| Meadow Brown | NI | . | . | . | . | . | . | 4 | 6 | 19 | 58 | 80 | 54 | 94 | 36 | 32 | 13 | 3 | 4 | . | . | ||||||
| Small Heath | NI | . | . | . | . | 6 | 7 | 8 | 19 | 13 | 9 | 1 | . | . | . | 2 | 3 | 5 | 4 | 2 | . | ||||||
| Ringlet | NI | . | . | . | . | . | . | . | 4 | 16 | 14 | 10 | . | . | . | . | . | . | . | . | . | ||||||
| Six-spot Burnet | NI | . | . | . | . | . | . | . | 1 | 2 | 8 | . | . | 19 | 3 | . | . | . | . | . | . | ||||||
| Five-spot Burnet | NI | . | . | . | . | 5 | 6 | 8 | 12 | . | 3 | . | . | . | . | . | . | . | . | . | . | ||||||
| Latticed Heath | NI | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Silver Y | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | ||||||
| The Cinnabar | NI | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Mother Shipton | NI | . | . | . | 1 | 4 | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Burnet Companion | NI | . | . | . | . | . | 1 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||