Emerging from the trunk of an ash tree, an emerald ash borer is infected with Beauveria bassiana, an insect-pathogenic fungus that may prove to be a valuable biocontrol for this pest. Fungi have been assisting humanity in many ways for eons. They are essential in the decomposition process, as well as in farming, fermentation, medications and as food. Now, fungi may be able to help us control pests as a natural insecticide. Join Clallam County Master Gardener Muriel Nesbitt for…