November 14, 2018


Exotic pest spotted troubling UK trees


The Forestry Commission is asking people to join its tree health surveyors in keeping an eye out for an exotic pest. Oriental chestnut gall wasp (OCGW), a pest of sweet chestnut trees first found in the UK in 2015, has been spotted in South-East England. The impact of OCGW on sweet chestnut in this country is low. It poses no threat to people or animals, nor does it affect horse chestnut trees. It can weaken sweet chestnut trees and make them vulnerable to other threats, such as drought or other pests and diseases. England’s chestnut production industry is small, with the…