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.
UK butterflies bounced back in 2018 following a string of poor years, thanks in part to last year’s heatwave summer, a study has revealed.
One of the UK’s most highly threatened and unusual beetles has been discovered in a number of new locations in the Cotswolds thanks to an innovative conservation scheme.
In July 2018 Prime Minister Theresa May announced that the Government would bring forward an Environment Bill. Butterfly Conservation (BC) understand that Defra are working on the draft of the Bill, to cover England and reserved matters in devolved countries, and this will be published before Christmas.
Sunday 5th May 2019, 10:30pm-1:30pm
Homefield Wood, Bockmer End, Bucks
Join us on the first field trip of the season to look for early Spring butterflies
Saturday 11th May 2019, 10:30am-1:30pm
Ivinghoe Beacon, Bucks
Join us on a field trip to look for the Duke of Burgundy and other spring species.
Saturday 18th May 2019, 10:30am-1:30pm
Pitstone Quarry, Bucks
Join us on a trip to Pitstone Quarry for the Small Blue and other spring species
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.