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Armillaria root rot, also known as ‘honey fungus’ or ‘shoestring root rot’, is a group of decay fungi comprised of at least 11 species. It affects both landscape and natural habitat plants throughout the United States.
Borers are chewing insects, usually in larval stages, that chew and feed on the inner bark and/or wood of trees. Most species are the larvae of beetles.
Botryosphaeria canker is a fungal disease that infects many trees and woody shrubs, especially if they are already stressed or weakened. It causes cankers and dieback.
Brittle cinder fungus, or Kretzschmaria deusta, is a fungal pathogen that causes breakage in seemingly healthy trees. The fungus appears around the base of trees as a crust-like fruiting body that has wavy edges.