
| 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 | . | . | . | . | . | . | . | 3 | . | 2 | 1 | . | . | . | 3 | 1 | . | . | ||||||||
| Large Skipper | NI | . | . | . | . | . | . | . | 1 | 14 | 13 | 1 | . | 4 | . | . | . | . | . | ||||||||
| Dingy Skipper | 78 | . | . | 3 | . | 11 | 13 | 9 | 20 | 5 | 2 | . | . | . | . | . | . | . | . | ||||||||
| Clouded Yellow | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | ||||||||
| Large White | NI | . | . | . | 4 | 4 | 3 | 4 | 15 | 2 | 2 | . | 1 | . | . | 15 | 15 | 4 | . | ||||||||
| Small White | NI | . | . | . | . | 18 | 10 | 1 | 8 | 2 | 2 | . | . | . | . | 25 | 8 | 4 | . | ||||||||
| Green-veined White | NI | . | . | . | . | 5 | . | . | . | 3 | 8 | . | . | . | . | . | 13 | . | . | ||||||||
| Orange Tip | NI | . | . | . | . | 4 | 10 | 8 | 2 | 1 | . | . | . | . | . | . | . | . | . | ||||||||
| Small Copper | NI | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | 1 | . | ||||||||
| Northern Brown Argus | 264 | . | . | . | . | . | . | . | 2 | 28 | 58 | 61 | 38 | 15 | . | . | . | . | . | ||||||||
| Common Blue | NI | . | . | . | . | . | . | . | 1 | 7 | 19 | 13 | 31 | 24 | . | 20 | 1 | 1 | . | ||||||||
| Red Admiral | NI | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | 1 | . | . | ||||||||
| Painted Lady | NI | . | . | . | . | . | . | . | . | . | 3 | 1 | . | . | . | 5 | 12 | 5 | 8 | ||||||||
| Small Tortoiseshell | NI | 2 | . | . | . | 2 | 1 | . | . | . | . | . | . | . | . | 5 | . | . | . | ||||||||
| Peacock | NI | 1 | . | 6 | 3 | . | . | . | . | . | . | . | . | . | . | 58 | 35 | 12 | 3 | ||||||||
| Comma | NI | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | ||||||||
| Wall Brown | NI | . | . | 2 | 1 | 36 | 27 | 17 | 11 | 5 | . | . | . | . | . | 61 | 59 | . | 2 | ||||||||
| Meadow Brown | NI | . | . | . | . | . | . | . | . | 13 | 44 | 28 | 25 | 52 | . | 20 | . | . | . | ||||||||
| Small Heath | NI | . | . | . | . | . | . | . | 5 | . | 32 | 24 | 37 | 34 | . | 28 | 9 | 8 | . | ||||||||
| Ringlet | NI | . | . | . | . | . | . | . | . | . | 67 | 92 | 108 | 29 | . | 3 | . | . | . | ||||||||