Rhinocyllus conicus (Image Credit: Canva) A biological control programme launched in the United States more than…
Tag: musk thistle
In 1969, the US released a European weevil to control invasive thistles; it later fed on more than 30 native species, including at least seven rare or endangered plants
A European beetle released across North America in 1969 to control invasive pasture weeds became an…