Peter Del Tredici, Senior Research Scientist Emeritus at the Arboretum, co-authored a study on the discovery of a new hemlock from Korea. The first novel conifer species to be described in a decade, the Ulleungdo hemlock interests biologists and horticulturists due to its natural resistance to the hemlock woolly adelgid.
Don’t be alarmed, but the Arboretum is crawling with insects. Then again, so is nearly every inch of land on the planet. There are about a million named insect species and likely several million more yet to be identified. It’s estimated that known insect species make up close to 70 percent of all known animal […]
A master’s student at the Harvard Extension School, Kevin Block completed his thesis evaluating the susceptibility of a new hemlock species, the Ulleung hemlock, to hemlock woolly adelgid, Adelges tsugae. Congratulations Kevin! abstract»