Are there any natural enemies or biological control agents available to fight emerald ash borer?
Emerald ash borer has natural enemies: fungi, bacteria, parasitic wasps and woodpeckers, for example. But so far those enemies aren’t knocking them back. That being said, many studies are gearing up to look for emerald ash borer enemies — those in both North America and Asia — with the goal of finding one or more to use to control the pest naturally. If, indeed, a candidate is found, and it happens to come from Asia, then further research will be needed to see if it’s safe for non-target insects and native ecosystems overall. Only then could it be deployed.
