Hemlock Woolly Adelgid Research on NPR

Northeast Public Radio recently interviewed forest ecologist Dave Orwig about the expansion of hemlock woolly adelgid, an invasive insect, into southern Vermont. The adelgid was first found in Virginia in the 1950s, then Massachusetts in 1989, and has continued to move north since then.

• Listen to the podcast.
• Learn more about HWA studies by Harvard Forest ecologists.