
| 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 | 12 | . | . | . | . | . | . | . | . | 2 | . | 1 | 1 | 4 | 4 | . | . | . | . | . | . | . | |||||
| Large Skipper | 6 | . | . | . | . | . | . | 1 | 2 | . | 2 | . | 1 | . | . | . | . | . | . | . | . | . | |||||
| Dingy Skipper | 23 | . | 1 | . | 9 | 11 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Grizzled Skipper | 9 | . | . | 5 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Brimstone | 14 | . | 1 | 4 | 2 | . | . | . | . | . | . | . | . | 1 | 1 | 5 | . | . | . | . | . | . | |||||
| Large White | 22 | 1 | . | . | 1 | . | . | . | . | . | 3 | 1 | 2 | 4 | 6 | 2 | . | 2 | . | . | . | . | |||||
| Small White | 57 | . | . | . | . | 1 | . | 1 | . | . | . | . | 4 | 5 | 7 | 5 | . | 7 | 16 | . | 7 | 4 | |||||
| Green-veined White | 21 | . | 1 | 2 | 1 | . | . | . | . | . | 2 | . | . | 6 | . | 2 | 5 | . | . | 2 | . | . | |||||
| Green Hairstreak | 5 | 1 | . | 2 | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Small Copper | 32 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 4 | . | 4 | 2 | 1 | . | 5 | 15 | |||||
| Small Blue | 2 | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Brown Argus | 124 | . | . | . | 6 | 5 | 4 | 2 | . | . | . | . | . | 1 | 11 | 16 | 13 | 38 | 14 | 3 | 6 | 5 | |||||
| Common Blue | 388 | . | . | 1 | 3 | 12 | 9 | 3 | 1 | 1 | . | . | 2 | 41 | 60 | 52 | 100 | 57 | 29 | 10 | 7 | . | |||||
| Chalk-hill Blue | 34 | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | 8 | 3 | 14 | 5 | 1 | . | . | . | |||||
| Adonis Blue | 39 | . | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | . | 4 | 11 | 12 | 3 | 4 | 2 | |||||
| Holly Blue | 4 | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 1 | . | . | . | . | . | . | . | |||||
| Red Admiral | 29 | 1 | 1 | 1 | . | . | . | . | 1 | . | 2 | 2 | 6 | 4 | 3 | 3 | 2 | . | 1 | 2 | . | . | |||||
| Painted Lady | 12 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 4 | . | 1 | 2 | 2 | |||||
| Small Tortoiseshell | 704 | 4 | 1 | 1 | 2 | 1 | . | . | 1 | 6 | 30 | 31 | 41 | 7 | 1 | 4 | 7 | 5 | 250 | 142 | 144 | 26 | |||||
| Peacock | 39 | 4 | 2 | 1 | 1 | . | . | . | . | . | . | 4 | 6 | 12 | 6 | 2 | . | 1 | . | . | . | . | |||||
| Comma | 5 | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | 3 | . | . | . | . | . | . | . | |||||
| Silver-washed Fritillary | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||
| Marsh Fritillary | 17 | . | . | . | 12 | 3 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Speckled Wood | 18 | . | . | . | 2 | 2 | . | . | 2 | 1 | . | . | . | 3 | . | 1 | 4 | . | . | 2 | 1 | . | |||||
| Wall Brown | 2 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | |||||
| Marbled White | 108 | . | . | . | . | . | . | 1 | 2 | 14 | 43 | 22 | 18 | 8 | . | . | . | . | . | . | . | . | |||||
| Gatekeeper / Hedge Brown | 84 | . | . | . | . | . | . | . | . | . | . | 4 | 21 | 38 | 8 | 7 | 6 | . | . | . | . | . | |||||
| Meadow Brown | 2178 | . | . | . | . | . | 2 | 10 | 19 | 46 | 92 | 185 | 261 | 223 | 331 | 363 | 185 | 204 | 164 | 60 | 26 | 7 | |||||
| Small Heath | 70 | . | . | 1 | 2 | . | 2 | 3 | 1 | 2 | 1 | . | . | 1 | 3 | 3 | 9 | 18 | 14 | 5 | 4 | 1 | |||||
| Ringlet | 7 | . | . | . | . | . | . | . | . | 4 | . | 2 | . | 1 | . | . | . | . | . | . | . | . | |||||
| Six-spot Burnet | NI | . | . | . | . | . | . | . | . | . | . | 2 | 6 | 2 | . | . | . | . | . | . | . | . | |||||
| Five-spot Burnet | NI | . | . | . | . | . | . | . | . | 7 | . | 1 | . | . | . | . | . | . | . | . | . | . | |||||
| Humming-bird Hawk-moth | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||
| Silver Y | NI | 1 | . | 1 | . | . | . | 1 | 3 | 1 | . | 2 | 2 | . | . | 1 | 3 | 22 | 12 | 2 | 6 | . | |||||
| Burnet Companion | NI | 1 | 1 | 8 | 6 | 3 | 3 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||