The emerald ash borer lays its eggs under the bark of ash trees. The larvae burrow out by eating the wood of the ash tree.

MINNETONKA — Emerald ash borer has been found in Minnesota for the first time.

The city of Minnetonka said two trees along the city's southeast border are confirmed to be infested with Emerald ash borer, a May 24 news release said.

Minnetonka has been preparing for EAB since 2010. Steps it has taken include:

  • The removal of approximately 1,500 ash trees from city property and the right-of-way.
  • Chemical treatment of 170 ash trees on city property.
  • Replanting 850 trees of a variety of species.

The city says it will continue to look for infected trees throughout the summer and work with neighboring property owners about their management options. There is still time for property owners with ash trees to begin managing for EAB, the release says.

Emerald Ash Borer is a non-native beetle that kills ash trees. EAB first appeared in Minnesota in St. Paul in 2009, according to the city of Minnetonka's website.

EAB is spread primarily by transporting ash firewood or pruning and removing ash trees while beetles are active, which is typically from  May 1 through Sept. 30, the city of Minnetonka says.


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