European ash trees resist devastating insect pest — The Invasives Blog

A green ash (Fraxinus pennsylvanica), killed by emerald ash borer, Hamilton Escarpment. USA/Canada borders (Photo: ©Michael Hunter/via wikipedia) Ash trees may be more prepared to face invasive threats than previously realised. The European ash (Fraxinus excelsior) is a common site in towns, forests and parkland across the United Kingdom. Since the 1990s, ash trees across…

via European ash trees resist devastating insect pest — The Invasives Blog

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