Welcome to the Upper Thames Branch of Butterfly Conservation

The Upper Thames region covers Berkshire, Buckinghamshire and Oxfordshire, which includes the Chiltern Hills and the North Wessex Downs Areas of Outstanding Natural Beauty. It is home to several rare species of lepidoptera, including the Black Hairstreak, Adonis Blue, Silver-spotted Skipper and Duke of Burgundy butterflies, and the Striped Lychnis moth.

(Updated 27th November)
(Updated 2nd December)
(Updated 15th December)
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