Published May 14, 2009, 12:00 AM

Emerald ash borer


The emerald ash borer was discovered in Minnesota in 2009, threatening trees. File
Read the article: Tree-killing ash borer makes the jump to Minnesota
Read the article: Suspect an emerald ash borer?
Read the article: Emerald ash borer found in Minnesota's Houston County
Read the article: Timeline: History of Duluth’s boulevard trees