
| 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 | . | . | . | . | . | . | 7 | 14 | 154 | 33 | 149 | 75 | 23 | 34 | 8 | 2 | . | . | . | . | ||||||
| Large Skipper | NI | . | . | . | . | . | 2 | 51 | 72 | 147 | 58 | 7 | 5 | . | 1 | 1 | . | . | . | . | . | ||||||
| Clouded Yellow | NI | . | . | . | 1 | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | ||||||
| Brimstone | NI | . | 7 | . | 24 | 15 | 1 | . | 1 | . | . | 1 | 2 | . | 13 | 11 | . | 2 | . | . | 3 | ||||||
| Large White | NI | . | . | 1 | 4 | 4 | 4 | 3 | . | 9 | 17 | 66 | 96 | 10 | 49 | 34 | 13 | 3 | 1 | . | 1 | ||||||
| Small White | NI | . | . | 1 | 12 | 3 | . | . | 2 | 2 | 3 | 15 | 29 | 4 | 45 | 23 | 8 | 7 | . | 2 | 2 | ||||||
| Green-veined White | NI | . | 1 | 2 | 13 | 3 | . | . | . | . | . | 13 | 11 | 8 | 51 | 23 | 16 | 6 | 2 | . | 1 | ||||||
| Orange Tip | NI | . | 6 | . | 13 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Green Hairstreak | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Small Copper | NI | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 2 | . | . | 1 | 2 | . | 5 | ||||||
| Silver-studded Blue | NI | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | ||||||
| Common Blue | NI | . | . | . | . | . | 4 | . | . | . | . | . | . | . | 8 | 2 | . | . | . | . | . | ||||||
| Holly Blue | NI | . | . | . | 2 | . | . | . | . | . | . | 1 | . | . | 2 | . | . | . | 1 | . | . | ||||||
| Red Admiral | NI | . | . | . | . | . | 1 | . | . | 1 | 3 | 3 | 11 | . | 4 | 2 | . | 1 | 4 | . | 5 | ||||||
| Painted Lady | NI | . | . | . | . | . | . | . | 1 | 1 | . | 1 | 2 | 1 | 1 | 2 | . | . | 1 | . | . | ||||||
| Small Tortoiseshell | NI | 7 | 8 | . | 4 | . | 1 | 11 | 15 | 22 | 14 | 11 | 15 | . | 7 | 4 | 26 | 16 | 10 | 11 | 18 | ||||||
| Peacock | NI | 8 | 6 | . | 7 | 9 | . | 2 | . | . | . | 4 | 56 | 3 | 54 | 9 | 2 | . | 1 | . | 3 | ||||||
| Comma | NI | . | 1 | . | 1 | . | . | . | . | . | 5 | 1 | 17 | . | 11 | . | . | 2 | . | 1 | 1 | ||||||
| Marsh Fritillary | NI | . | . | . | . | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Speckled Wood | NI | . | 2 | . | 1 | 4 | 3 | 1 | 1 | 2 | . | 1 | 6 | 1 | 14 | 10 | 2 | 11 | 7 | 2 | . | ||||||
| Marbled White | NI | . | . | . | . | . | . | . | . | 2 | 17 | 10 | 8 | . | 4 | . | . | . | . | . | . | ||||||
| Grayling | NI | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | ||||||
| Gatekeeper / Hedge Brown | NI | . | . | . | . | . | . | . | . | . | 4 | 42 | 140 | 145 | 201 | 117 | 20 | . | . | . | . | ||||||
| Meadow Brown | NI | . | . | . | . | . | 3 | 32 | 98 | 253 | 101 | 225 | 161 | 92 | 153 | 46 | 19 | 2 | . | . | . | ||||||
| Small Heath | NI | . | . | . | . | . | . | 9 | 7 | . | . | . | 1 | . | . | 1 | . | . | . | . | . | ||||||
| Ringlet | NI | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Scarlet Tiger | NI | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Mother Shipton | NI | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||