G grilling24x7 ArboristSite Member Joined May 6, 2010 Messages 64 Reaction score 4 Location maryland Aug 11, 2017 #1 Does this look like insect damage? Strange dark holes going up the side of the trunk? Tree was planted last summer. Gets good water and full sun. Thoughts?
Does this look like insect damage? Strange dark holes going up the side of the trunk? Tree was planted last summer. Gets good water and full sun. Thoughts?
ATH Addicted to ArboristSite . AS Supporting Member. Joined Nov 19, 2006 Messages 5,135 Reaction score 5,417 Location Ohio Aug 11, 2017 #2 Maybe Red oak borer? I treat all newly planted oak with imidacloprid...because 2 lined chestnut borer can be tough on stressed oaks. That would also take care of oak borer.
Maybe Red oak borer? I treat all newly planted oak with imidacloprid...because 2 lined chestnut borer can be tough on stressed oaks. That would also take care of oak borer.