Emerald ash borer discovered in Ida and Sioux Counties

Emerald ash borer was recently confirmed in Ida and Sioux counties for the first time. The invasive, ash tree-killing insect from Asia has now been confirmed in all but 13 of Iowa's 99 counties since its original detection in 2010.

EAB larvae were removed from ash trees in Galva (Ida County) and Sioux Center (Sioux County) by an Iowa Department of Agriculture and Land Stewardship employee. Officials with the USDA Animal and Plant Health Inspection Service confirmed the identification of the larvae.

O'Brien, Clay and Osceola counties have yet to report an EAB infestation. Other counties include...