Hertfordshire & Middlesex Branch
Saving butterflies, moths and our environment
Last updated 21 February 2025
First and last sightings in 2014-2023
Butterfly Conservation First Sightings 2025
| Species | 2024 | 2025 |
|---|---|---|
| Adonis Blue | 24 May | |
| Brimstone | 25 January | |
| Brown Argus | 5 May | |
| Brown Hairstreak | 23 July | |
| Camberwell Beauty | ||
| Chalk Hill Blue | 8 July | |
| Clouded Yellow | 1 May | |
| Comma | 9 March | |
| Common Blue | 16 May | |
| Dark Green Fritillary | 21 June | |
| Dingy Skipper | 8 May | |
| Essex Skipper | 1 July | |
| Gatekeeper | 1 July | |
| Green-veined White | 4 April | |
| Green Hairstreak | 13 April | |
| Grizzled Skipper | 26 April | |
| Holly Blue | 30 March | |
| Large Skipper | 24 May | |
| Large White | 8 April | |
| Marbled White | 12 June | |
| Meadow Brown | 28 May | |
| Orange-tip | 30 March | |
| Painted Lady | 10 May | |
| Peacock | 10 January | 21 February |
| Purple Emperor | 26 June | |
| Purple Hairstreak | 23 June | |
| Red Admiral | 2 January | 25 January |
| Ringlet | 15 June | |
| Silver-washed Fritillary | 24 June | |
| Small Blue | 17 May | |
| Small Copper | 9 May | |
| Small Heath | 30 April | |
| Small Skipper | 18 June | |
| Small Tortoiseshell | 19 February | |
| Small White | 20 March | |
| Speckled Wood | 16 March | |
| White Admiral | 17 June | |
| White-letter Hairstreak | 9 June |