Bleeding Canker of Horse Chestnut (Pseudomonas syringae pv. aesculi)
Information about horse chestnut bleeding canker caused by the bacterium Pseuomonas syringae pv aesculi
Information about horse chestnut bleeding canker caused by the bacterium Pseuomonas syringae pv aesculi
Present in United Kingdom Notifiable – No Scientific name – Hylobius abietis (H. abietis) Hylobius abietis (L.), the large pine weevil (shown above), also known as the large brown pine...
Oak lace bug (OLB) is an insect pest of oak trees (trees in the Quercus genus), and of several other species of broad-leaved trees.
Information about ash dieback (Hymenoscyphus fraxineus), a destructive fungal disease of ash trees, including its symptoms, distribution, spread, management and control.
Present in United Kingdom Notifiable – see ‘Report a sighting’ below Scientific name – Dendrolimus pini (D. pini) The larvae, or caterpillars, of pine-tree lappet moth are a serious pest...
Present in United KingdomNotifiable – See ‘Report a sighting’ belowScientific name of causal agent – Fomitiporia punctata (F. punctata) Picture: Lucien Rommelaars – Saxifraga Elbow-patch crust is a disease of London...
Not present in the United KingdomNotifiable – See ‘Report a sighting’ belowScientific names – see below Budworms are the larvae, or caterpillars, of certain moth species. They are so-called because...
Information about larger eight-toothed European spruce bark beetle (Ips typographus), a pest of spruce (Picea) trees and some other conifer species
Information about the pest larvae (caterpillars) of oak processionary moth (Thaumetopoea processionea), including its biology, distribution, management and control.
Information about sweet chestnut blight (Cryphonectria parasitica), a destructive fungal disease of sweet chestnut trees, including its symptoms, distribution, spread, prevention and control.
Canker stain of plane is a disease which can affect several species of plane trees (trees in the Platanus genus).
Present in United Kingdom Not notifiable – See ‘Report a sighting’ below Scientific name – Elatobium abietinum (E. abietinum) Picture: Donald Owen, California Department of Forestry and Fire Protection, Bugwood.org Green...