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The European nightcrawler (Dendrobaena hortensis) is a medium-small earthworm averaging about 1.5 g when fully grown. Generally blueish, pink-grey in color with a banded or striped appearance, the tips of their tails are often cream or pale yellow. When the species has not been feeding, it is pale pink.
In some areas where it is an introduced species, some people consider it to be a significant pest for out-competing native worms. [ 1 ] Through much of Europe, it is the largest naturally occurring species of earthworm , typically reaching 20 to 25 cm in length when extended.
Users refer to European nightcrawlers by a variety of other names, including dendrobaenas, dendras, Dutch nightcrawlers, and Belgian nightcrawlers. Containing water-soluble nutrients, vermicompost is a nutrient-rich organic fertilizer and soil conditioner in a form that is relatively easy for plants to absorb. [ 3 ]
Species: [1] Dendrobaena alpina (Rosa, 1884); Dendrobaena apora Qiu & Bouché, 1998; Dendrobaena attemsi (Michaelsen, 1903); Dendrobaena auriculifera Zicsi, 1969 ...
Eudrilus eugeniae, also called the "African nightcrawler", is an earthworm species native to tropical west Africa and now widespread in warm regions under vermicompost; it is an excellent source of protein and has great pharmaceutical potential.
In the tropics, the African nightcrawler Eudrilus eugeniae [70] and the Indian blue Perionyx excavatus are used. Earthworms are sold all over the world; the market is sizable. According to Doug Collicutt, "In 1980, 370 million worms were exported from Canada, with a Canadian export value of $13 million and an American retail value of $54 ...