Dustin Vande Hoef
Iowa Department of Agriculture and Land Stewardship

Articles by this author:

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.

Emerald Ash Borer has been positively identified in the city of Clinton, making this the 20th county in Iowa where this wood boring pest of ash trees has been found. EAB 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 in the Iowa community of Hedrick in Keokuk County. A statewide quarantine remains in place and restricts the movement of hardwood firewood, ash logs, wood chips and ash tree nursery stock out of Iowa into non-quarantined areas of other states.

Emerald Ash Borer has been positively identified in Appanoose, Lucas, Mahaska, Marion and Monroe counties in southern Iowa.

Iowa now has 13 counties infested with Emerald Ash Borer after beetles were found in Story City.

The Corn Nitrogen Rate Calculator is available to help farmers find the maximum return to nitrogen fertilizer applications and the most profitable application rate for their farm. Having adequate nitrogen available is critical for corn production, but given the high prices for fertilizer it is important farmers determine the right amount that is needed on their crops.