which Durbin said indicate injured areas where the tree is attempting to force out insects. The "confirming sign" is the roughly eighth-inch holes where the adults have chomped through to emerge ...

The tree-killing bug was found in Prior Lake in August 2015, in Plymouth in September 2015, in Eden Prairie in April 2017 and December 2017 and in Edina and Robbinsdale in April of this year.

The trees are preferred hosts for an invasive species first reported in the state in 2014. They've since infested some areas.

Broad-leaved trees bearing acorns are targeted. The disease spread rapidly likely because the bug was more active in the higher-than-average summer temperatures that followed a prolonged rainy ...

The official declaration of what the mountain pine beetles are doing is a "catastrophic" killing off of trees. While foresters and others try to get a handle on the situation, energy companies are ...