The invasive emerald ash borer beetle has seeped into Oklahoma from the eastern United States. Here's how wasps could help ...

Mediterranean oak borers (Xyleborus monographus) were first identified in the city of Sacramento last July. They target oaks ...

A glimmer of hope has emerged for Britain's beloved ash trees. According to a new study published in Science, some wild ash trees are becoming genetically resistant to the deadly ash dieback fungus.