Adult Agrilus planipennis
The emerald ash borer was discovered in the United States in the early nineties, and has since devastated over 50 million ash trees to date, and they continue to spread. There has been some studies showing control measures to be effective but none have proven to be economical, but my hopes are that science will prevail and we can fix this issue we started.It pains me to say this, but this is a beautiful insect. Beauty is in the eye of the beholder, and the damage they can cause is anything but beautiful. The easiest way to identify this insect, besides its distinctive physical features, is the distinctive exit hole it leaves when exiting the tree.
Emerald Ash Borer Larval Exit Hole. Note D-shapeFirewood and ash products tend to be the method of transportation for this pest, so if you do any traveling careful not to help this insect move into our area, and be sure to leave anything containing ash wood where it originated from. If you would like to learn more about this devastating pest, and keep tabs on new developments for control measures click here.
So get outside and enjoy our beautiful ash trees on campus and lets hope we can keep them around!