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Photo © Lee Gregory, Thetford 03/04/2011 - Larva |
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Norfolk status First discovered in London, 2002 and has since spread substantially.
First Norfolk record of several million mines on Holm Oak at Thetford. (Lee Gregory, 03/04/11) "The trees were totally infested and it was a job to find a leaf without mines and most leaves having 5+ mines! "
Leaf-mine: Nov - April - A contorted gallery mine with usually several mines in one leaf.Recorded in 3 (4%) of 69 10k Squares. First Recorded in 2011. Last Recorded in 2012. |
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Copyright © Jim Wheeler 2013
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