What counties in MN Have emerald ash borer?
The Minnesota Department of Agriculture (MDA) has confirmed emerald ash borer (EAB) in Nicollet and Redwood counties for the first time.
How do you control emerald ash borer?
Emerald ash borer is controlled by the use of certain systemic-types of insecticides that can be taken into the tree in some manner and will then move to areas where it can kill adults (leaves) or the flatheaded borer larvae (cambium). This is a different approach than is used for many other wood boring insects.
What time of year should you treat ash trees?
Now is an excellent time to consider insecticide protection because the treatments are typically done between mid-April and mid-May once leaves begin to return. Treatments on already-infested ash trees are more likely to be successful if the trees have low or moderate levels of woodpecker damage.
What is being done to minimize the impact of emerald ash borer?
Targeted insecticide To slow down the impact of the EAB, CFS scientists collaborated with BioForest Technologies Inc. to develop TreeAzin™, a systemic insecticide injected into the tree. This product protects individual high-value ash trees and trees in isolated infestations.
Do ash trees need to be treated every year?
The answer to your question is dependent on the initial Ash tree treatment. If you called a Certified Arborist, your tree should be treated every other year.
Can I treat my ash tree myself?
Can I treat an ash myself or do I have to call an arborist? If your ash is smaller than 47 inches around the trunk at chest height [i.e., 15″ diameter at breast height (DBH)], you may be able to treat your ash tree yourself.
How do you treat an ash tree borer?
What treatment options are there for emerald ash borers? There are four EAB treatment options: soil injection, trunk injection, bark spray or canopy spray. Used most often, soil and trunk injections get to the root of the problem by targeting the borers tunneling inside the tree.
Can you treat emerald ash borer yourself?
Homeowners have the option of treating ash trees themselves to protect trees from emerald ash borer by using imidacloprid as a basal soil drench. Imidacloprid is available to homeowners at local garden centers as Bayer Advanced Tree and Shrub Insect Control, and more recently as some other products.
What is the emerald ash borer?
Photos by: Howard Russell, Michigan State University, Bugwood.org. Emerald ash borer (EAB) is an invasive forest insect from Asia responsible for the deaths of millions of ash trees throughout the eastern half of the U. S. and southeastern Canada.
Does EAB affect ash trees in Minnesota?
EAB infests and kills weak and healthy ash trees alike, and all species of ash native to North America are vulnerable to EAB attack. With nearly 1 billion ash trees in the state, the spread of EAB will have a serious impact in Minnesota.
How do you get rid of emerald ash borer?
Prune and remove ash trees as needed. Take bark or wood that is at least one inch thick to the nearest ash tree waste disposal site where it will be taken care of before May 1. Be aware of what emerald ash borer looks like as well as the symptoms of an EAB infested tree.
What kind of borers are in Minnesota?
The redheaded ash borer, bark beetles and clearwing borers are the most common native ash borers in Minnesota. See Native borers and Insects in Minnesota confused with emerald ash borer. Ash can tolerate small numbers of EAB larvae.