Gardeners are being warned about an invasion of the Citrus Longhorn Beetle (Anoplophora chinensis) in UK that has been imported from China, via Holland in a batch Acer palmatum and distributed via mail order. Whilst the beetle is know to affect the Acer it is able to damage oak, beech, ash, maple, apple, pear, willow, hibiscus, horse chestnut, hornbeam, hazel, birch, mulberry and rose. The larv…