
| 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 | 131 | . | . | . | . | . | . | . | . | . | . | . | 3 | 32 | 59 | 20 | 10 | 5 | 1 | 1 | . | ||||||
| Large Skipper | 95 | . | . | . | . | . | . | 1 | 4 | 41 | 22 | 16 | 7 | 2 | 1 | 1 | . | . | . | . | . | ||||||
| Dingy Skipper | 17 | . | . | . | 3 | 6 | 3 | . | . | . | . | . | 1 | 6 | . | . | . | . | . | . | . | ||||||
| Grizzled Skipper | 6 | . | . | . | . | 3 | 3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Clouded Yellow | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | ||||||
| Large White | 21 | . | . | 1 | 3 | . | . | . | . | . | . | . | . | . | . | . | 2 | 4 | 2 | 4 | 2 | ||||||
| Small White | 8 | . | . | 1 | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||
| Green-veined White | 283 | . | . | 12 | 24 | 105 | 35 | 16 | 5 | . | . | . | . | . | . | . | 2 | 7 | 6 | 4 | 1 | ||||||
| Orange Tip | 288 | . | . | 14 | 48 | 84 | 54 | 12 | 7 | 3 | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Green Hairstreak | 6 | . | . | . | . | . | 5 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | ||||||
| Purple Hairstreak | 5 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 2 | . | . | . | ||||||
| Small Copper | 51 | . | . | . | . | 8 | 21 | 8 | 3 | 1 | . | . | . | . | . | . | . | 1 | 2 | 3 | . | ||||||
| Common Blue | 49 | . | . | . | . | . | . | . | 1 | 16 | 3 | 8 | 4 | . | . | 6 | 4 | 1 | 3 | 1 | 1 | ||||||
| Holly Blue | NI | . | . | 13 | 31 | 21 | 4 | 2 | 1 | . | 1 | . | . | . | . | . | . | . | . | . | . | ||||||
| Red Admiral | 39 | . | . | . | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . | 3 | 5 | 16 | 8 | ||||||
| Painted Lady | 20 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 7 | 7 | ||||||
| Small Tortoiseshell | 87 | . | . | 3 | 10 | 1 | . | . | . | . | . | 3 | 9 | 18 | 2 | . | 1 | 10 | 8 | 13 | 2 | ||||||
| Peacock | 75 | . | . | . | 4 | . | . | . | . | . | . | . | . | 2 | . | . | 10 | 9 | 11 | 22 | 10 | ||||||
| High Brown Fritillary | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . | ||||||
| Wall Brown | 24 | . | . | . | . | . | 6 | 1 | . | . | . | . | . | . | . | . | . | 2 | 2 | 8 | 3 | ||||||
| Meadow Brown | 98 | . | . | . | . | . | . | . | . | 1 | . | 23 | 18 | 19 | 11 | 12 | 8 | 3 | 2 | 1 | . | ||||||
| Small Heath | 101 | . | . | . | . | 9 | 23 | 23 | 24 | 9 | 1 | . | . | . | . | . | . | 3 | 3 | 1 | . | ||||||