The discovery of an emerald ash borer (EAB) in an ash tree on the University of Iowa campus means that Iowa City is now categorized as an EAB infestation area, according to the Iowa Department of Agriculture and Land Stewardship. There are now 30 counties in Iowa, including Johnson County, that have been confirmed as EAB infestation areas.
Zac Hall, Iowa City Superintendent of Parks and Forestry, said it can take eight to 12 years for the insect to decimate the local ash tree population, so it is not necessary for property owners to immediately remove ash trees that are not showing...