ALB Trashes More than Ash – US National Science Foundation (NSF) September 6, 2011 by Duncan Brine Leave a Comment nsf.gov – National Science Foundation (NSF) News – Are New England’s Iconic Maples at Risk? – US National Science Foundation (NSF) On city streets, the ALB invades many different types of hardwood trees. But in forests, the beetle disproportionately attacks large maple trees.