There are 37 resident butterfly species in our branch area including the recently colonised Adonis Blue in the Royston area.
More information on species can be viewed here
Many important sites for butterflies exist in our branch area including our own Millhopper's Reserve
More on other sites can be viewed here
News Archive: 2023 / 2022 / 2021 / 2020 / 2019 / 2018
03 Jun 2025: Alabonia geoffrella at Trent Park
03 Jun 2025: Dark Green Fritillary
02 Jun 2025: Purple Hairstreak
02 Jun 2025: Sightings from Stanwell Moor
02 Jun 2025: FFY White Letter Hairstreaks
01 Jun 2025: Rivers Orchard Sawbridgeworth
01 Jun 2025: Sightings from Stanwell Moor
01 Jun 2025: Therfield Heath butterflies
01 Jun 2025: Small Blue at Millhoppers
31 May 2025: Small Skipper sighted near Heathrow
31 May 2025: Sightings at Hillbrow, Letchworth
31 May 2025: Sightings from Stanwell Moor
31 May 2025: Sightings at Grovelands Park, Southgate
31 May 2025: Marbled White butterfly on Therfield Heath
30 May 2025: Sightings at Enfield & Trent Park
29 May 2025: Sightings from Stanwell Moor
The Hertfordshire & Middlesex Branch has over 1500 members and covers the administrative county of Hertfordshire and the Watsonian Vice-county of Middlesex (VC21).
The London Boroughs included within the Branch area are Barnet, Brent, Camden, City of London, City of Westminster, Ealing, Enfield, Hackney, Hammersmith & Fulham, Haringey, Harrow, Hillingdon, Hounslow, Islington, Kensington & Chelsea, Richmond (north of the Thames), Tower Hamlets and the Surrey District Council of Spelthorne.
For Branch enquiries please email: elizabethgoodyear@talk21.com; for website enquiries please email peter.clarke4@ntlworld.com