
| 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 | 25 | . | . | . | . | . | . | . | . | . | . | 1 | 5 | 14 | 4 | 1 | . | . | |||||||||
| Large Skipper | 81 | . | . | . | . | . | 6 | 16 | 19 | 18 | 11 | 9 | 2 | . | . | . | . | . | |||||||||
| Dingy Skipper | 6 | . | . | . | 3 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Grizzled Skipper | 1 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Large White | NI | . | 1 | 3 | 1 | 1 | . | . | 2 | . | . | 1 | . | . | 1 | 2 | . | 3 | |||||||||
| Small White | NI | . | 2 | 1 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Green-veined White | NI | 2 | 3 | 13 | 20 | 14 | 4 | 1 | 2 | . | . | 1 | . | 2 | 3 | 8 | . | 8 | |||||||||
| Orange Tip | NI | . | . | 5 | 14 | 5 | 1 | 1 | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Copper | 11 | . | . | . | . | 2 | . | . | . | . | . | . | . | . | 1 | 4 | . | 1 | |||||||||
| Common Blue | 10 | . | . | . | . | 1 | 5 | 3 | 1 | . | . | . | . | . | . | . | . | . | |||||||||
| Holly Blue | NI | . | . | . | 14 | 2 | . | . | . | . | 1 | 3 | 7 | 10 | 14 | 9 | 8 | 4 | |||||||||
| Red Admiral | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | 7 | . | 4 | 2 | |||||||||
| Painted Lady | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | |||||||||
| Small Tortoiseshell | NI | 2 | 3 | 8 | 2 | 3 | 8 | 2 | 5 | 2 | . | 1 | . | . | 1 | 14 | 3 | 6 | |||||||||
| Peacock | NI | 1 | . | . | 1 | . | . | . | . | . | . | 1 | . | 2 | 5 | 11 | 9 | 14 | |||||||||
| Comma | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | |||||||||
| Speckled Wood | NI | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | 2 | . | |||||||||
| Wall Brown | 14 | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | 1 | 4 | 2 | 1 | |||||||||
| Meadow Brown | 175 | . | . | . | . | . | 2 | 20 | 51 | 49 | 25 | 20 | 7 | 1 | . | . | . | . | |||||||||
| Small Heath | 10 | . | . | . | . | 5 | . | . | 1 | 3 | . | . | . | . | 1 | . | . | . | |||||||||