Butterfly Conservation is a registered charity dedicated to the conservation of butterflies and moths. You can find out more about the national organisation here.

Members' Day is on Sunday 22 November at 11:30 at the Adastra Hall in Hassocks ///furnish.bordering.suppose.
Our Chair Dave Brown will start with an introduction to the AGM followed by talks from Gareth Tilley with his "Shining a New Light on Butterflies". Ash Walmsley will talk about the history, ecology and conservation of Ashdown Forest. There will also be an update on the Wood White Project.
For more information click here.

We have a busy programme of working parties all over the county starting in October into March. This has been a wonderful summer for butterflies and with your help we can make 2027 even better.
Information about all the sessions can be found here.
Anyone can post photos of butterflies they have seen in Sussex. Recent sightings include:
08 Nov: Firstly, many thanks to all who attended the conservation work party at Washington Chalk Pits on Wednesday 4 November, when a combined group of BC Sussex and SDNPA volunteers made another great leap in restoring this brilliant and still rapidly improving site. Today, our trusty volunteers were again hard at work on Park Corner Heath, where we enjoyed Wall-to-Wall sunshine and spectacular autumn colours. A Red Admiral and a female Brimstone joined the party. The image shows, L-R: Fiona, Alan, Richard, Helen P, Jason, Paul, Maya, Roy, Two-fires and me (Helen C and Paul Day, our official photographer, not shown). On Wednesday, we are at Kithurst Hill; if those attending could bring a rake, that would be much appreciated.
08 Nov: Just after I took this picture of basking Wall lizards at West Worthing station I disturbed a butterfly. I didn't get a good look - it was in the air and on its way when I saw it - but the general impression was Speckled Wood. Went for another look before heading to the Amex for Albion's win over Brentford. So many lizards we were nearly late for the coach, but no butterfly this time.
08 Nov: Clouded Yellow butterfly spotted mid afternoon
08 Nov: 1 Red Admiral on the buddleia today, for about an hour in the early afternoon sunshine.
08 Nov: Warm-feeling and sunny for a walk round North Lancing and Sompting. 12 Clouded Yellow (1 helice), 8 Red Admiral, 2 Small Copper, 2 Peacock, 2 Small White, Holly Blue, Humming-bird Hawk-moth. Will it never end?!
08 Nov: While doing our WeBS counts on the southern end of the Island on Saturday, we saw 4 Clouded Yellow and a Small While.
08 Nov: Another Red Admiral visitor this morning basking on my south facing fence.
08 Nov: Sunny and still in our garden the Salvia's and ceratostigma willmottianum are still in flower and getting attention from Hummingbird Hawkmoths and to my surprise a fleeting visit from a Holly Blue.
Click here for more sightings.

Photo by Graham Hubbard
New colonies of Wood White were recently discovered in West Sussex and our branch is seeking to learn more about this rare butterfly.
Our 2026 Survey Report is now available click here.
For more information on the Wood White Project in Sussex click here.

Photo by Graham Hubbard
Throughout the year we receive interesting sightings records. We have started an exercise to identify notable sightings and look for patterns during a month with a little help from an AI assistant.
To read more click here.
07 Oct: Branch MEMBERS DAY update
07 Aug: Annual Cotoneaster bashing on the Buckle by-pass (A259), Seaford
30 Jun: Martin Kalaher's Open Garden Sunday 12th July.
24 Jun: Scotney Castle - More opportunity to explore
27 Mar: Butterfly Recording Training at National Trust Woolbeding
22 Mar: 2026 walks now appear on the Events Page
28 Feb: Liz Williams Butterfly Haven work day
16 Jan: A summary of Sussex BC work parties in 2026
23 Oct: SxBC Members' Day - Saturday 22nd November 2025 1.30pm – 4.30pm. Latest Update

Our branch is organising many butterfly walks in the summer across the county.
Our next events are:
22 Nov: Sussex BC Members Day 2026
Information on all our walks and other events can be viewed here.

White Admiral, photo by Maurilio Tesa
Martin Kalaher has written a very interesting article titled 'Partial broods in 2025' to read the article click here.
Last month Martin published 'Second brood Dingy Skippers'. To read that article click here.

Photo from our 2025 competition.
Sussex is one of the best counties in the UK to see a wide range of interesting butterfly species.
More information on species can be viewed here.

There are many important sites for butterflies in our county.
Information on some of them can be viewed here.

Orange-tip by Gary Faulkner
The results of the 2025 SxBC photo competition were announced at the recent Members' Day.
To see the winning entries click here.
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