United States after being introduced as feed for zoo animals. The species Pheretima, also known as “jumping worms” or crazy worms” has already caused widespread damage in the US Midwest and is now spreading in the Northeast.“Their activity has toppled stone walls in New England,” scientist Gale Ridge wrote in a recent alert.“Many native trees and plants (including garden plants) cannot germinate or develop in this altered soil, while invasive species thrive.”“Jumping worms” don’t actually jump, but are excellent climbers and have been found in quite high buildings.
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