
| 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 | ||||||||||||||||||||||||||
| Chequered Skipper | . | . | . | . | . | 2 | 13 | 20 | 25 | 17 | 7 | 1 | . | . | . | . | . | . | . | . | . | |||||
| Green-veined White | . | . | 1 | 5 | 11 | 12 | 14 | 9 | 8 | 4 | 2 | 1 | . | 1 | 2 | 5 | 2 | 1 | 1 | 5 | . | |||||
| Orange Tip | . | . | . | . | 1 | 2 | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Green Hairstreak | . | . | . | . | . | . | 3 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Small Copper | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||
| Common Blue | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | |||||
| Red Admiral | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 1 | . | |||||
| Painted Lady | . | . | . | . | . | . | . | . | . | 1 | 12 | . | . | . | . | . | . | . | . | . | . | |||||
| Peacock | 1 | 6 | 8 | 30 | 13 | 4 | 1 | 2 | . | . | . | . | . | . | . | . | 6 | 13 | 9 | 6 | 4 | |||||
| Small Pearl-bordered Fritillary | . | . | . | . | . | . | . | 7 | 58 | 78 | 71 | 63 | 29 | 4 | . | . | . | . | . | . | . | |||||
| Pearl-bordered Fritillary | . | . | . | . | . | 4 | 4 | 4 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Speckled Wood | . | . | . | 9 | 7 | 7 | 6 | 4 | 2 | . | . | 6 | 12 | 23 | 4 | 15 | 2 | 11 | 17 | 8 | . | |||||
| Scotch Argus | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 76 | 192 | 400 | 203 | 46 | 25 | . | |||||
| Meadow Brown | . | . | . | . | . | . | . | . | . | . | . | . | . | 3 | 5 | 3 | 2 | . | . | . | . | |||||
| Small Heath | . | . | . | . | . | . | . | 3 | 8 | 8 | 11 | 2 | 1 | . | . | . | . | . | . | . | . | |||||