Emerald Ash Borer Detected in 3 More Iowa Counties

(Ames, IA)  —  Emerald ash borer is confirmed in Fremont, Lyon and Wright counties for the first time.  The tree-killing pest has now been found in 80 of Iowa’s counties.  Insect samples were collected from ash trees in rural Farragut, Inwood and Dows and U-S-D-A inspectors confirmed they all tested positive for E-A-B.  Iowa State University Extension says mid-April through May is the best time to treat trees for emerald ash border.  Insecticide treatments can help preserve and protect healthy ash trees.  E-A-B is considered a significant threat to all species of ash trees.