Information, management advice and guidance on ramorum disease of forest trees and plants, and its causal agent, Phytophthora ramorum. Also known as sudden oak death, sudden larch death and larch...
The larvae, or grubs, of two-lined chestnut borer beetles are a pest of oak trees (trees in the Quercus genus) and sweet chestnut ( Castanea genus).
Information and guidance about the disease-causing plant bacterium Xylella fastidiosa.
Not present in UK Notifiable – see ‘Report a sighting’ below Scientific name of causal agent – Geosmithia morbida (G. morbida) Vector – Walnut twig beetle (Pityophthorus juglandis; P. juglandis)...
Information about horse chestnut leaf miner moth (Cameraria ohridella), a pest of horse chestnut (Aesculus) trees and some Acer species
Overview of Phytophthora lateralis infection in Lawson cypress
Overview of the oak pinhole borer (Platypus cylindrus). How to identify beetle infestations and manage and protect timber.
Overview of Phytophthora disease of alder (Alnus) caused by Phytophthora alni
Overview of the lifecycle Gypsy moth (Lymantria dispar) with photographs.
About Dutch elm disease in Great Britain
Overview of plant pathogen Phytophthora austrocedri – symptoms and diagnosis of juniper infection.
Stump treatment against Heterobasidion annosum