According to scientists, many invasive species of jumping earthworms from Asia have been imported to 34 U.S. states, including Wisconsin.
Nibble away at soil nutrients and flip themselves up to a foot off the ground.
According to statistics from the Centre for Agriculture and Bioscience International, Amynthas agrestis.
A litter-dwelling earthworm native to Japan and the Korean peninsula, was first identified as an invasive species in Wisconsin in 2017.
The worms, also known as Alabama jumpers, crazy worms, and Jersey wrigglers, are found along the Eastern Seaboard, in sections of the South, and in the Upper Midwest.
According to USDA Forest Service soil scientist Mac Callaham, the worms receive their moniker because they "thrash around."