Dustin Vande Hoef
Iowa Department of Agriculture and Land Stewardship

Articles by this author:

Emerald ash borer, a tree-killing pest of ash trees, has been confirmed in Iowa City. The discovery was made on the University of Iowa campus.

A destructive insect of ash trees has been confirmed in southern Cedar Rapids. The emerald ash borer was discovered at an Iowa interstate rest area along I-380 approximately one-half mile north of the Johnson County line.

Farmers are reminded to wait until soil temperatures remain below 50 degrees Fahrenheit before applying anhydrous ammonia (NH3) fertilizer this fall. Harvest is progressing rapidly in many parts of the state and officials with the Iowa Department of Agriculture and Land Stewardship and Iowa State University Extension and Outreach said that waiting can help reduce nitrogen loss and better protects the environment.

The emerald ash borer, a highly destructive insect of ash trees, has been confirmed in Dubuque, Iowa. Twenty-eight of Iowa’s counties have now been confirmed positive.

The emerald ash borer, a destructive and invasive insect of ash trees, has been discovered in central rural Montgomery County. Iowa’s growing number of counties with confirmed detections has now reached 27. 

Emerald ash borer has been confirmed in Fort Madison, bringing the number of confirmed counties in Iowa to 26. This makes Lee County the latest victim of EAB, a highly destructive insect of ash trees.

A new detection of emerald ash borer has been positively identified after a larva sample was collected from a city-owned tree in Grinnell on June 16, 2015. This brings the total of confirmed infested counties to 25 since EAB was first discovered in Iowa in 2010. This beetle kills ash tree species.

Emerald Ash Borer has been positively identified in Davenport and central rural Davis County, bringing the total of confirmed counties to 24 since it was first detected in Iowa back in 2010. This insect  kills all ash tree species and is considered to be one of the most destructive tree pests ever seen in North America.

Emerald Ash Borer has been positively identified for the first time in Polk County, making this the 22nd county in Iowa where this invasive beetle has been found.

Emerald Ash Borer has been positively identified in a residential tree in the southeast corner of rural Dallas County, making this the 21st county in Iowa where this invasive beetle has been found. The Iowa EAB Team will host a press conference at Grey’s Lake southeast parking area, 2101 Fleur Dr. in Des Moines at 10 a.m., Thursday, April 16, 2015.