The Upper Thames Branch covers Berkshire, Buckinghamshire and Oxfordshire, which includes the beautiful rolling hills of the Chilterns. It is home to several rare species of butterfly and moth, including the Black Hairstreak, Adonis Blue, Silver-spotted Skipper and the Striped Lychnis.
If you live in the region and are a member of Butterfly Conservation you automatically become a member of the Upper Thames branch.
Find out more
Send us your sightings and find out what has been spotted near you.
Take a look at the moths you could find in your area, and send your sightings to our moth recorders.
Moth enthusiasts, conservationists and the public will be heading for the woods for the UK's largest annual Moth Night event - running on days and nights from 19th - 21st May.
TV gardener, and Butterfly Conservation's Vice-president, Alan Titchmarsh, calls on people to create a Pit Stop for Pollinators this spring, and provide butterflies and moths with the plants they need for survival.
Scotland’s lowland bogs are vital habitat for butterflies and moths, but sadly many are in poor condition due to historic drainage for agriculture and forestry.
Dr Richard Fox has been part of Butterfly Conservation for almost 24 years. Now Head of Science, we met with Richard to discuss his role and the importance of recording and collecting data, as well as his own love of butterflies and moths.
Thursday 26th May, 10:30 am
Yoesden Bank, Bucks
A visit to Yoesden Bank to see Adonis Blue and other spring species
Saturday 28th May, 10:30 am
Lardon Chase, Streatley, Berks
A visit to Lardon Chase to see Adonis Blue and other spring species
Saturday 28th May, 2:00 pm
Finemere Wood, Bucks
A visit to Finemere Wood to try to find Black Hairstreak larvae/pupae
Volunteer with us
Butterfly Conservation relies on the support of thousands of volunteers, and we are always looking for more help inside the office and out in the field. Whether you want to volunteer at a local branch, get outside and help manage our nature reserves, or help with one of our events, we have something for everyone to get involved in! Your time can make a real difference.