Welcome

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 

Brimstone - Matt Berry

Butterfly sightings

Send us your sightings and find out what has been spotted near you. 

Small Elephant Hawk-moth - James O'Neill

Moth sightings

Take a look at the moths you could find in your area, and send your sightings to our moth recorders. 

Get involved 

News

  • Butterflies bounce back in heatwave summer

    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.

  • New sites for rare beetle discovered

    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.

  • Street lights affect wildflower pollination

    Street lighting operating all night can alter the natural pollination of a common wildflower, a study involving Butterfly Conservation (BC) has revealed.

  • Environment Bill

    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.

Catch up on all our news

Events

  • Upper Thames Field Meeting (35)

    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

  • Upper Thames Field Meeting (42)

    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.

  • Upper Thames Field Meeting (34)

    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

See all our upcoming events

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.

Find out how to get involved.

Branch information

In your area

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