Trees in Decline (IMAGE) North Carolina State University Caption Scale insects accumulate on a maple tree in Raleigh. Scale insects wreak havoc on maples in the midrange of studied cities in the Southeast. Credit Adam Dale Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.