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 Field Meeting

Saturday 5th March 2016, 10.30am-1.00pm

Search for Brown Hairstreak butterfly eggs at BBOWT's Bernwood Meadows reserve.

Upper Thames Field Meeting

Sunday 8th May 2016: 11.00am

This is our first field meeting of the year to look for early Spring butterflies.

View all

Your Records

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

Latest News

40 year slump for UK Butterflies

More than three-quarters of the UK’s butterflies have declined in the last 40 years with some common species suffering significant slumps, a major scientific study has revealed.

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