Home - Herts & Middx Butterfly Conservation

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

Welcome to the Hertfordshire & Middlesex branch of Butterfly Conservation

Butterfly Conservation is a registered charity dedicated to the conservation of butterflies and moths
Butterflies


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

Moths


Around 1600 moths can be found in the two counties. An introduction is provided here on our website.

The Hertfordshire and Middlesex Moths Group website can be viewed here


Sites


Many important sites for butterflies exist in our branch area including our own Millhopper's Reserve

More on other sites can be viewed here

LNRS


Help is needed to support nature recovery, so please volunteer if you can. Click for Hertfordshire or London to find out more.


13 Jun 2026: Meadows around Brickendon / Tracks around Danemead HMWT

13 Jun 2026: Sightings at Enfield & Trent Park

12 Jun 2026: Sightings at Pymmes Park, Edmonton

12 Jun 2026: White-letter Hairstreak in Verulamium Park St Albans

12 Jun 2026: WLH

11 Jun 2026: Small Dusty Wave at Oakwood & Garden Carpet at Southgate

11 Jun 2026: Marbled White at Enfield

10 Jun 2026: Weedy/scrubby field, Batford

10 Jun 2026: Bricket Wood

10 Jun 2026: White Admirals

10 Jun 2026: Sightings at Enfield

09 Jun 2026: Large Skipper on Harpenden Common

09 Jun 2026: Rivers Orchard and fields Sawbridgeworth TL473145

09 Jun 2026: White Admiral Wood saved from development

09 Jun 2026: Silver-washed Fritillary

09 Jun 2026: White Admiral

07 Jun 2026: Willow Beauty at Southgate

07 Jun 2026: Peacock caterpillars doing well on my allotment

07 Jun 2026: Red Admirals on Parkland Walk

07 Jun 2026: TfL Road verge monitoring

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.

Download a copy of our 'Welcome to the Hertfordshire & Middlesex Branch of Butterfly Conservation' leaflet for more information

For Branch enquiries please email: elizabethgoodyear@talk21.com; for website enquiries please email peter.clarke4@ntlworld.com