Upper Thames branch

Holtspur Bottom

Species to look out for


Welcome to the Upper Thames Branch of Butterfly Conservation.

AdmiralThe 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 and Striped Lychnis Moth.

If you live in the region and are a member of Butterfly Conservation you automatically become a member of the Upper Thames branch.


Upper Thames: Work Party

Sunday 11th December 2016, 10am-1pm

Join the Upper Thames Branch on a work party on our Holtspur Bottom reserve near Beaconsfield. Scrape weeding and hedge laying will be taking place, giving you a chance to actively help conserve the species the reserve supports...

Upper Thames: Work Party

Saturday 17th December 2016, 10.00am-1.00pm

Please join the Upper Thames Branch for this work party at Aston Upthorpe Downs (south-west of Wallingford). Volunteers will be helping with scrub clearance to get the site ready for the spring butterflies...

Upper Thames: Field Meeting

Sunday 18th December 2016, 10.30am-1.30pm

Join us on our annual search for Brown Hairstreak eggs at Rushbeds Wood BBOWT reserve (south-east of Bicester)...

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Your Records

Test thumb 1Your butterfly and moths records in the Upper Thames region are essential to our conservation work

Latest News

All the better for moorland butterflies

The decline of three of the UK’s most threatened butterflies could be reversed across Cornwall, Devon and Somerset with the launch of a ground-breaking conservation project.

View all Upper Thames branch news stories