On Monday, December 15, 2014, the Iowa Department of Agriculture and Land Stewardship issued a news release confirming that emerald ash borer (EAB) had been found in 5 southern Iowa counties: Appanoose, Lucas, Mahaska, Marion and Monroe.
This brings to eighteen (18) the number of known infestations in Iowa. See the map below. Read more about the recent discoveries in the Iowa State University Extension and Outreach Yard & Garden news release from December 15, 2014. The EAB Readiness Team news release is online at the Extension website.
Locations of confirmed infestations of the emerald ash borer in Iowa. The red dots indicate the approximate location of a confirmed detection; the red circles indicate a 15-mile radius around known infestations within Iowa. The 15-mile radius is a guide to indicate where ash trees are most at risk of EAB attack and where property owners need to proceed with a decision to treat or replace existing ash trees.