Earthworms play a pivotal role in soil health and ecosystem functioning, yet their biodiversity and genetic diversity have long been underestimated. These organisms exhibit remarkable variation in ...

Most earthworms in Pennsylvania are not native and were introduced from Europe, often via soil used as ballast in early ships. While beneficial for gardens and lawns, these introduced earthworms can ...

Earthworms may be helpful in a compost heap or in the soil of a vegetable garden. But they are a destructive force in Minnesota’s hardwood forests – chomping up entire layers of the forest floor and ...