Emerald ash borer is an invasive insect that kills ash trees by feeding on their bark. Recent assessments predict a significant spread of emerald ash borer into West Fargo’s ash tree population, ...
Prof James Brown A leaf of an ash tree in Colchester with early symptoms of dieback Defra said scientific observations in Europe and the UK meant it expected 1% to 5% of ash trees to show some ...
Work has started to fell 5,000 trees infected with ash dieback at Westonbirt Arboretum. The site's 200-acre Silk Wood has been closed for the removal of 2,000 ash trees over the next four weeks.