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 ...

Analysis reveals imported earthworm species have colonized large swaths of North America, and represent a largely overlooked threat to native ecosystems. The researchers warn of the need to better ...

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 ...

Tens of thousands of species of earthworms are likely to be wriggling in the world’s soil, yet to be discovered by scientists – which will probably take more than 100 years to do. Earthworms play a ...

Kevin Richard Butt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

(Beyond Pesticides, November 4, 2025) A study of earthworms published in Environmental Science & Technology highlights how chemical mixtures can have both synergistic and species-specific effects, ...

An alien invasion capable of triggering catastrophic changes is underway across North America. At least 70 imported earthworm species have colonized the continent, and represent a largely overlooked ...