Wednesday 1 April - Iconic species from the Pyrenees, including a once-in-a-lifetime find - Roger Gibbons
Tuesday 24 March - Hungry caterpillars and bountiful crops talk by Malcolm Hull at Lagley Meadow Hall, Douglas Gardens, Berkhamsted

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

In conjuction with Hertfordshire County Council, help is needed to support nature recovery, so please volunteer if you can. Click here to find out more.
News Archive: 2023 / 2022 / 2021 / 2020 / 2019 / 2018
10 Mar 2026: Comma at Trent Park
09 Mar 2026: Peacock emerging from hibernation
05 Mar 2026: Small Tortoiseshell and Brimstones
05 Mar 2026: Sightings at Enfield, Cockfosters & Trent Park
05 Mar 2026: Alexandra Park Sightings
05 Mar 2026: Therfield Heath and Royston
04 Mar 2026: Sightings from Stanwell Moor
03 Mar 2026: Sightings from Stanwell Moor
02 Mar 2026: Brimstone at Wareside
02 Mar 2026: Butterflies on Harpenden Common
02 Mar 2026: Sightings from Stanwell Moor
02 Mar 2026: Brimstone & Red Admiral at Oakwood
02 Mar 2026: Sightings at Enfield & Trent Park
02 Mar 2026: early walk of transects plenty of butterflies
28 Feb 2026: Dull day in St Albans
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