Between 1969 and 1972, the US released a European weevil to fight invasive musk thistle; it later attacked at least 25 native thistles, including rare and endangered species
A biological control initiative aimed at managing invasive thistles integrated a weevil specifically targeting musk thistle. Unfortunately, this insect extended its reach to native plant species, leading to detrimental effects on local thistles, including an …



