Haverford Ash Trees Under Threat from Invasive Species

Ash tree outside of Morris Health Center. Photo courtesy of Kate Silber '20.  This fall, the Arboretum is preparing for the arrival of the Emerald Ashborer, an invasive species of insect that is expected to decimate Haverford’s population of ash trees over the next few years. The insect was first discovered in the United States in 2002 in Gary, Indiana. Since its arriv ...