
| 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/Essex Skipper | NI | . | . | . | . | . | . | . | 2 | 3 | 1 | 2 | . | . | . | . | . | . | |||||||||
| Small Skipper | NI | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||||
| Large Skipper | NI | . | . | . | . | . | . | . | . | . | . | 1 | 2 | . | . | . | . | . | |||||||||
| Brimstone | 8 | 4 | . | 1 | 2 | . | . | . | . | . | . | 3 | . | . | . | . | . | . | |||||||||
| Large White | NI | . | . | . | . | . | . | . | . | 1 | 6 | 12 | 5 | 2 | . | . | . | 1 | |||||||||
| Small White | 52 | . | . | . | . | . | . | . | . | . | 1 | 6 | 1 | 1 | 3 | 11 | 3 | . | |||||||||
| Green Hairstreak | NI | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Small Copper | 7 | . | . | . | . | . | . | . | . | . | . | 3 | . | 2 | 1 | . | 1 | . | |||||||||
| Silver-studded Blue | NI | . | . | . | . | . | . | . | 5 | 8 | . | 3 | 2 | . | . | . | . | . | |||||||||
| Common Blue | 17 | . | . | . | . | . | 1 | 2 | . | 2 | . | . | 2 | . | 2 | . | . | . | |||||||||
| Holly Blue | NI | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | |||||||||
| Red Admiral | NI | . | . | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | |||||||||
| Painted Lady | 8 | . | . | 5 | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||||||
| Small Tortoiseshell | 3 | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | . | . | |||||||||
| Peacock | 6 | 3 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||||||
| Comma | 6 | 1 | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | 1 | |||||||||
| Speckled Wood | 20 | . | . | 5 | . | 2 | . | . | . | . | 2 | 3 | 1 | 1 | 1 | . | . | . | |||||||||
| Gatekeeper / Hedge Brown | 110 | . | . | . | . | . | . | . | 2 | . | . | 21 | 27 | 12 | 15 | 3 | . | . | |||||||||
| Meadow Brown | NI | . | . | . | . | . | . | . | . | 12 | 5 | 20 | 14 | 9 | 5 | . | . | . | |||||||||
| Six-spot Burnet | NI | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | . | . | |||||||||
| Common Heath | NI | . | 1 | 5 | 4 | 8 | 10 | 6 | 16 | 11 | 2 | 5 | 3 | . | . | . | . | . | |||||||||
| Silver Y | NI | . | . | . | . | . | . | . | . | . | . | . | 2 | 10 | 2 | 2 | . | . | |||||||||
| The Cinnabar | NI | . | . | . | . | . | . | 1 | 3 | 1 | . | . | . | . | . | . | . | . | |||||||||