The Horse Chestnut Leaf Miner

This micro-moth, Cameraria ohridella, is spreading like wildfire through the country where it has the potential to cause serious damage to Horse Chestnut. It makes very obvious and distinctive mines in the leaves of Horse Chestnut which we can look out for this month. It seems to have arrived in Shropshire in 2006 according to the Forest Research website, but I don’t know of any specific records and it would be nice to get some idea of its presence in the county.

Pictures of its mines are on www.leafmines.co.uk species number 366a (just follow the “mine-keys” link to Horse Chestnut), and details of the moth’s spread in Britain are on www.forestresearch.gov.uk/leafminerThis should be an easy species to monitor as there’s nothing else we know that mines Horse Chestnut. Please forward any records to Godfrey Blunt on A.G.Blunt@wlv.ac.uk.

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