Hertfordshire & Middlesex Branch
Saving butterflies, moths and our environment
Saturday 6 June - Sunday 14 June -Great Big Green Week
Sunday 21 June - Butterfly Walk with the Letchworth Garden City Heritage Trust at Hillbrow
Monday 22 June - Sunday 28 June - Insect Week 2026 run by the Royal Entomological Society
Tuesday 23 June - Guided Butterfly Walk at Alexandra Park North London N22 with the Friends of Alexandra Park
Thursday 25 June - Butterfly walk at Chorleywood Common
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
Help is needed to support nature recovery, so please volunteer if you can. Click for Hertfordshire or London to find out more.
31 May 2026: Mad Bess Wood, Ruislip
31 May 2026: Sightings at Southgate, Oakwood Park & Boxer's Lake, Enfield
31 May 2026: Meadows around Brickendon
31 May 2026: Large White caterpillar on Garlic Mustard
30 May 2026: Sightings from Stanwell Moor
30 May 2026: Branch walk at Stafford Road Open Space
30 May 2026: Branch Butterfly Walk in Heartwood Forwst
30 May 2026: Sightings at Trent Park, Oakwood & Enfield
29 May 2026: Sightings from Stanwell Moor
29 May 2026: Common Emerald at Southgate
29 May 2026: Sightings at Pymmes Park, Edmonton
29 May 2026: Sightings in Muswell Hill
28 May 2026: Treble Brown Spot at Southgate
28 May 2026: Small Blues at Hillbrow Letchworth
28 May 2026: Sightings at Enfield
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
