
| 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/Essex Skipper | 208 | . | . | . | . | . | . | . | . | 4 | 12 | 47 | 83 | 28 | 27 | 5 | . | . | . | . | . | . | . | ||||
| Silver-spotted Skipper | 14 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 7 | 3 | 2 | . | . | . | . | . | ||||
| Large Skipper | 15 | . | . | . | . | . | . | 4 | 3 | 4 | 2 | 2 | . | . | . | . | . | . | . | . | . | . | . | ||||
| Dingy Skipper | 38 | . | . | 3 | 11 | 1 | 7 | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Grizzled Skipper | NI | . | . | 9 | 4 | 1 | 1 | 4 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Clouded Yellow | 23 | . | . | . | . | . | . | . | . | . | . | . | 1 | 3 | 7 | 4 | 2 | 4 | . | . | . | 1 | 1 | ||||
| Brimstone | 125 | . | 5 | 7 | 12 | 5 | 5 | 2 | 6 | . | 1 | . | 7 | 19 | 2 | 14 | 6 | 3 | . | 7 | 2 | . | . | ||||
| Large White | 74 | . | . | . | . | 1 | 1 | 1 | . | . | . | 7 | 9 | 23 | 13 | 6 | 8 | 1 | 2 | 1 | 1 | 1 | . | ||||
| Small White | 62 | . | . | 4 | . | 2 | 1 | 2 | 1 | . | . | 1 | 2 | 5 | 1 | 5 | 10 | 12 | 4 | 3 | 2 | . | . | ||||
| Green-veined White | 7 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 4 | . | . | . | . | . | ||||
| Green Hairstreak | NI | . | . | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Small Copper | 20 | . | . | 1 | . | 1 | . | . | . | . | . | . | 2 | . | . | 3 | . | . | 1 | . | . | 3 | 7 | ||||
| Small Blue | 49 | . | . | . | 1 | 4 | 22 | 8 | 8 | 2 | 1 | . | 3 | 1 | . | . | . | . | . | . | . | . | . | ||||
| Brown Argus | 6 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 3 | . | 1 | . | . | . | . | . | ||||
| Common Blue | 390 | . | . | . | . | 7 | 12 | 31 | 14 | 12 | 7 | . | 7 | 32 | 31 | 65 | 44 | 57 | 29 | 20 | 12 | 4 | 2 | ||||
| Chalk-hill Blue | 112 | . | . | . | . | . | . | . | . | . | . | . | . | 6 | 28 | 29 | 17 | 18 | 7 | 2 | . | . | . | ||||
| Adonis Blue | 260 | . | . | . | 2 | 17 | 41 | 26 | 29 | . | . | . | . | . | . | . | 13 | 50 | 36 | 26 | 27 | 9 | 1 | ||||
| Holly Blue | 2 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | ||||
| Red Admiral | 10 | . | . | . | . | . | . | . | . | . | 1 | 2 | . | 4 | . | 2 | . | . | . | . | 1 | . | . | ||||
| Painted Lady | 20 | . | . | . | . | . | . | 5 | 2 | . | . | . | 1 | 3 | 1 | 7 | . | . | . | 1 | . | . | . | ||||
| Small Tortoiseshell | 3 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | 1 | . | . | . | . | . | ||||
| Peacock | 12 | . | 2 | . | . | . | 1 | . | . | . | . | . | . | 1 | 1 | 2 | . | 1 | . | . | . | 1 | . | ||||
| Comma | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | ||||
| Dark Green Fritillary | 226 | . | . | . | . | . | . | . | . | 3 | 37 | 49 | 68 | 45 | 15 | 8 | . | . | . | . | . | . | . | ||||
| Speckled Wood | 3 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | ||||
| Marbled White | 228 | . | . | . | . | . | . | . | . | 10 | 72 | 64 | 55 | 16 | 5 | . | . | . | . | . | . | . | . | ||||
| Gatekeeper / Hedge Brown | 90 | . | . | . | . | . | . | . | . | . | . | 4 | 18 | 22 | 14 | 30 | . | . | . | . | . | . | . | ||||
| Meadow Brown | 1217 | . | . | . | . | . | . | 2 | 8 | 22 | 33 | 30 | 54 | 126 | 140 | 182 | 101 | 156 | 90 | 103 | 85 | 57 | 40 | ||||
| Small Heath | 265 | . | . | . | . | 2 | 1 | 15 | 24 | 26 | 42 | 32 | 18 | 1 | 9 | 1 | 5 | 9 | 18 | 41 | 23 | 14 | . | ||||
| Ringlet | 72 | . | . | . | . | . | . | . | . | . | 16 | 27 | 12 | 12 | 2 | . | . | . | . | . | . | . | . | ||||
| Six-spot Burnet | NI | . | . | . | . | . | . | . | . | 1 | 11 | 46 | 365 | 233 | 145 | 45 | . | . | . | . | . | . | . | ||||
| Five-spot Burnet | NI | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Chimney Sweeper | NI | . | . | . | . | . | . | . | . | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Speckled Yellow | NI | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Common Heath | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Humming-bird Hawk-moth | NI | . | . | . | . | . | . | . | 1 | . | . | . | 3 | . | . | . | . | . | . | . | . | . | . | ||||
| Wood Tiger | NI | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Scarlet Tiger | NI | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | ||||
| Silver Y | NI | . | . | 4 | 1 | . | 2 | 2 | 5 | 3 | 3 | 13 | 9 | 10 | 5 | 3 | . | . | . | . | . | 1 | . | ||||
| The Cinnabar | NI | . | . | . | . | . | 3 | 5 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||
| Mother Shipton | NI | . | . | 2 | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||