Whats wrong with my Horse Chestnut Tree?
Over the last few years autumn appears to have come quickly for one of our most common trees the Horse Chestnut. Leaves going brown and falling off in June and July has been very noticeable during 2008. There are three main causes for this and many trees have symptoms of all three! Horse Chestnut Leaf Miner This is a small moth whose larvae burrow inside the leave which creates as a very distinct light-brown patch called a ‘mine’ , hence the name of the moth. Some trees may only have a few mines but some may have more than a hundred making the leaf look very brown all over. Horse chestnut leaf miner Cameraria Ohridella was first found established in the UK in the London Borough of Wimbledon in July 2002 and it is suggested that the first moths had arrived from the continent in either 2000 or 2001. From this initial area of infestation, the moth has spread rapidly, and it is now present across most of south-central England, East Anglia and the Midlands. The current distribution extends
