Home
Trending
Briefing

Similar Stories 🔰

A biological control programme launched in the United States more than five decades ago has become a cautionary example of how attempts to manage invasive species can produce unexpected ecological consequences. According to a USDA Forest Service assessment of invasive species in the Southwest, the thistle seedhead weevil (Rhinocyllus conicus) was introduced to the US between 1969 and 1972 to help control musk thistle and other invasive thistles.