Earthworms have long been hailed as a friend of the gardener, but nearly all earthworms in New England are introduced from Europe and Asia. While some species of earthworms are beneficial, the introduction of invasive earthworms has caused major shifts in North American plant communities. Jumping worms are an emerging conservation threat to a broad suite of native taxa, habitats, industries, hobbies, and vital ecosystem services. We will explore the impacts and invasion history of earthworms, and provide information on identification of jumping worms