Case Studies

Tree pest and disease case studies

ash

Ash dieback

Dieback of ash, a disease caused by the fungus Chalara fraxinea, was identified in the UK in 2012.

MORE INFORMATION ON ASH DIEBACK

OPM caterpillars

Oak processionary moth

Oak processionary moth (Thaumetopoea processionea, OPM) is a pest that presents a hazard to oak trees and human health.

MORE INFORMATION ON OAK PROCESSIONARY MOTH

Ramorum

Ramorum blight

Ramorum blight is a disease caused by the fungus-like pathogen Phytophthora ramorum that can infect a range of tree and plant species.

MORE INFORMATION ON RAMORUM BLIGHT