Beetle picked to battle Flathead’s flowering rush invasion

A Missoula-based invasive weed workgroup is eying the prowess of a European weevil to nibble down flowering rush at Flathead Lake, where the exotic aquatic perennial thrives.

An invasive ornamental plant of Eurasian origin, flowering rush was first found in the West’s largest natural freshwater lake in the early 1960s, with little overall success in thwarting its spread...