Invasive hammerhead worm found in St. Louis County Park

A county park official says the worm was spotted in Cliff Cave Park along the Mississippi River. (Photo courtesy of St. Louis County Parks and Recreation) ST. LOUIS COUNTY, Mo. — An invasive hammerhead worm was reportedly found earlier this week at a St. Louis County Park for the first time. A county park official says the worm was spotted in Cliff Cave Park along the Mississippi River. These flatworms originate from Asia and can harm the local ecosystem by preying on native earthworms, which are essential for healthy soil. They are usually seen after heavy rains, hiding under logs,...