Soil surface and in the leaf litter, making them easy to find. The Asian jumping worm can be found on the Inches in length, are much more active than European nightcrawlers. Layer of soil you will see the worms thrashing about with an erratic, snakelike The texture of this soil is often compared to Uniform, granular soil created from worm castings. One telltale sign of an infestation is a very Cocoons are very small and dirt-colored, so they are nearly impossibleīe spread easily in potted plants, on landscaping equipment, mulch, tire treads, and even hiking boots. May out-compete existing worm populations. One worm can produce many cocoons withoutĪnd their populations can grow faster than the common European species, they Winter and hatch when temperatures reach 50☏ for a consistent period. The cocoons, which are about the size of a mustard seed, will survive the Invasive worms, can also help spread invasive plant species by disturbing theĪsian jumping worms are an annual species the Invasive worms can severely damage the roots of plants in nurseries, gardens,įorests, and turf. Heavy infestation, native plants, soil invertebrates, salamanders, birds, and Jumping worms grow twice as fast, reproduce more quickly, and can infest Rapidly than their European counterparts, stripping the forest of the layerĬritical for seedlings and wildflowers. There are actually at least three species: AmynthasĪgrestis, Amynthas tokioensis, and Metophire hilgendorfi that co-occur.Īsian jumping worms devour organic matter more European nightcrawlers are now beingĭisplaced by the destructive Asian jumping worms. Is known about them compared to European earthworms. The first records of Asian jumping earthwormsĭate back to the late 19 th century unfortunately, relatively little The mid-Atlantic, Midwest, and some Northwestern states. They can be found in the Southeast, along the Eastern Seaboard, and in Rapidly spreading across the United States. Asian jumping worms are a relatively new invasive species, but they are Nearly all earthworms in the Northeast todayĪre non-native, and European and Asian invasives are altering the soil Sandy Vanno, Master Gardener Warren County CCE Invasive Asian Jumping Earthworms - Author: Share on Facebook Share on Twitter Share on LinkedIn Share on Pinterest> Invasive Asian Jumping Earthworms

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