
| 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 | . | . | . | . | . | . | . | . | 12 | 13 | 1 | . | 1 | . | . | . | . | . | . | . | . | |||||
| Large Skipper | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||
| Large White | 16 | . | . | 3 | . | 1 | . | . | . | . | 3 | . | . | 2 | . | . | 5 | . | 2 | . | . | . | |||||
| Small White | 14 | . | . | 3 | 1 | 3 | . | . | . | . | 2 | 2 | . | . | . | . | 1 | 1 | . | . | . | 1 | |||||
| Green-veined White | 5 | . | 2 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Orange Tip | 1 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Green Hairstreak | 7 | . | . | . | 2 | 3 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Small Copper | 7 | . | 1 | . | . | . | 3 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | 2 | |||||
| Common Blue | 3 | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | |||||
| Red Admiral | 7 | . | . | . | . | . | . | . | . | 1 | . | 3 | . | . | . | . | 1 | . | 1 | . | . | 1 | |||||
| Small Tortoiseshell | NI | 2 | . | 1 | 1 | . | 2 | . | 2 | 2 | . | . | . | . | . | . | . | 1 | 1 | . | . | . | |||||
| Peacock | NI | 10 | . | 3 | 2 | 1 | . | . | . | . | . | 4 | 3 | 4 | . | . | . | 1 | . | . | . | . | |||||
| Wall Brown | 8 | . | . | . | . | 1 | . | . | . | . | . | . | 2 | . | . | 2 | 3 | . | . | . | . | . | |||||
| Grayling | 5 | . | . | . | . | . | . | . | . | . | . | 3 | 1 | 1 | . | . | . | . | . | . | . | . | |||||
| Gatekeeper / Hedge Brown | 577 | . | . | . | . | . | . | . | . | 20 | 152 | 174 | 118 | 92 | 12 | 5 | 4 | . | . | . | . | . | |||||
| Meadow Brown | 40 | . | 1 | . | 5 | . | . | . | 5 | 17 | 7 | 2 | 6 | 1 | 2 | . | . | . | . | . | . | . | |||||
| Small Heath | 118 | . | 2 | . | 8 | 12 | 19 | 16 | 18 | 9 | 6 | 1 | . | 2 | 6 | 2 | 8 | 7 | 1 | . | 1 | . | |||||
| Ringlet | 3 | . | . | . | . | . | . | . | . | 1 | . | 2 | . | . | . | . | . | . | . | . | . | . | |||||
| No butterflies seen | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | |||||