The mature jumping worm (genus Amynthas) can be identified by its characteristic smooth, often milky white clitellum (the band near the head of the worm). The common European earth worm has a raised or saddleshaped, segmented clitellum that is darker in color. Photo courtesy Susan Day / UW–Madison Arboretum Be a citizen scientist by participating in the NY iMapInvasives team’s 5th Annual Invasive Species Mapping Challenge from June 24 – July 8. Four species will be the focus of this year’s challenge: Jumping…