Emerald ash borer, an invasive beetle that attacks and kills all ash species, has been positively identified in the city of Osceola in Clarke County. Since the first Iowa detection in 2010, EAB has now been confirmed in 39 counties.
Emerald ash borer, an invasive beetle that attacks and kills ash trees, has been confirmed in Adair and Adams counties in Iowa.
Disturbances within Iowa’s natural areas make them susceptible to invasion by exotic woody plants. Three common Iowa invasive woody species are buckthorn, honeysuckle and multiflora rose.