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news:2025:0824_new-tree-discovered [2025/09/02 14:41] – Richard Whitenews:2025:0824_new-tree-discovered [2026/02/23 00:07] (current) – Richard White
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 ====== 24 Aug 2025: New tree discovered ====== ====== 24 Aug 2025: New tree discovered ======
    
-[{{:news:2025:20250824-152137-6006.jpg?400 |Horse Chestnut (//Aesculus hippocastanum//) with feeding damage by Horse Chestnut Leaf-miner moth, //Cameraria ohridella//}}] +[{{:news:2025:20250824-152137-6006.jpg?400 |Horse Chestnut (//Aesculus hippocastanum//) with damage caused by either a fungus or a leaf-miner moth}}] 
 During today's working session we decided to carry out a partial inventory of the larger and smaller trees, with a view to planning which ones to look after and which ones need to be removed to make more room for the others. We need to allow light to penetrate to the woodland floor to allow the smaller plants such as the bluebells and other flowers to flourish, not to mention encouraging biodiversity generally.  During today's working session we decided to carry out a partial inventory of the larger and smaller trees, with a view to planning which ones to look after and which ones need to be removed to make more room for the others. We need to allow light to penetrate to the woodland floor to allow the smaller plants such as the bluebells and other flowers to flourish, not to mention encouraging biodiversity generally. 
  
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 The leaves were discoloured by large blotches.   The leaves were discoloured by large blotches.  
-I think these were caused by the larvae of the Horse Chestnut Leaf-miner moth, //Cameraria ohridella//.   +We are unsure whether these were caused  
-However, the distribution map given at https://www.ukmoths.org.uk/species/cameraria-ohridella  +by a fungus, the Horse chestnut leaf blotch //Phyllosticta paviae// (syn. //Guignardia aesculi//) 
-shows the nearest records as Hambledon Hill in Dorset and the Test Valley in north Hampshire.   +or by the larvae of the Horse Chestnut Leaf-miner moth, //Cameraria ohridella//.   
-An alternative identification might be Horse chestnut leaf blotch,  +However, the distribution map given at https://www.ukmoths.org.uk/species/cameraria-ohridella for this moth 
-which is caused by a fungus //Phyllosticta paviae// (syn. //Guignardia aesculi//).  +shows the nearest records as Hambledon Hill in Dorset and the Test Valley in north Hampshire,  
- +both quite a distance from Bishop's Pond.  
  
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