Today I watched a horse chestnut leaf miner moth, Cameraria ohridella, laying her eggs on the fresh young leaves of a horse chestnut tree. Here’s a short film that I captured. The tiny larvae will hatch in about three weeks and start to feed on the tree’s resources. First the
Horse chestnut trees are looking worse for wear due to a leaf miner pest. Take part in a European survey by ‘adopting’ a tree near you and recording the presence or absence of the pest.