Naming
In the United Kingdom, its range is currently restricted to about 45 km of the banks of the River Ouse centred on York, North Yorkshire. Although there are scattered records from across England some of these may represent mis-identifications of the mint beetle , a more widespread species. Tansy beetles were certainly known from Wicken Fen near Cambridge, where they fed on mint not tansy, but the last record for the beetle there was in 1981.
Status
A Tansy Beetle Action Group has been set up to initiate and oversee conservation efforts and comprises representatives from the University of York, North Yorkshire County Council, City of York Council, Environment Agency, National Trust and Buglife. A recovery programme is under way involving annual surveys of both tansy and beetles, control of tree shading and invasive plants that compete with tansy, such as Himalayan Balsam , and limited re-introductions within the current species range.References:
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