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 6th December 2015, 10.00am-1.00pm

Scrape weeding and hedging at Holtspur Bottom reserve

Upper Thames Field Meeting

Sunday 13th December 2015, 10.30am-1.00pm

Search for Brown Hairstreak eggs at Rushbeds Wood BBOWT reserve, Bucks

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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

Flower power helps rare moth

Hundreds of flowers have been planted across Buckinghamshire and Oxfordshire to stop the decline of a nationally scarce moth.

View all Upper Thames branch news stories