Scientists release new allies in the battle against invasive yellow toadflax in the Rocky Mountains

From agricultural and environmental issue international not-for-profit CABI

A team of international scientists are collaborating to fight the noxious weed yellow toadflax (Linaria vulgaris) in Montana's world-famous Rocky Mountains with the help of a tiny insect - the shoot-galling weevil Rhinusa pilosa.

Yellow toadflax, first introduced from Wales in the late 1600s as an ornamental and medicinal plant and to make textile dyes, is an aggressive invader - listed as a noxious weed in more than 10 U.S. states ncluding North and South Dakota, Colorado, Nevada, New Mexico, Oregon and Idaho - which...