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Published online by Cambridge University Press: 24 April 2009
The large blue butterfly Maculinea arion is probably extinct in Great Britain. Many other of Britain’s 56 butterfly species have declined since 1945, but no other species has become extinct. By contrast, no fewer than four of Britain’s 41 resident dragonfly species have almost certainly become extinct since that date, What are the causes and what lessons can be learnt from these losses?