We expected to see new cases once the leaves came through on ash trees.
The better informed we are, the more effective we can be in our work to reduce the impact of this disease and we will be investigating this new case closely.”
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Bridgwater and West Somerset is considered a Conservative safe seat - in 2010 they had a majority of over 9,000 votes.
Camborne and Redruth is a marginal seat. The Conservatives won it in 2010 by just 66 votes - a 0.16% majority.
The Liberal Democrats have held North Cornwall since they won it from the Conservatives in 1992. The seat is a Conservative target in 2015.