The Emerald Ash Borer (EAB) is a highly invasive, non-native insect that attacks and kills all species of North American ash trees, including white, green and black ash. Latest research indicates that it may have spread to the white fringetree as well. EAB is native to Asia and was first detected in the U.S. in summer of 2002 feeding on ash trees in the Detroit area. It has been confirmed in Colorado, Kansas, Missouri and Iowa, as well as Nebraska.
Adult EABs are emerald green beetles that are approximately 1.5 inches long with slender, elongated bodies. Larvae can grow up to 1.25 inches long and are white or cream colored. They have brown heads and a 10-segmented body with a pair of brown, pincher-like appendages on the last segment.