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The Lumbricidae are a family of earthworms.About 33 lumbricid species have become naturalized around the world, [1] but the bulk of the species are in the Holarctic region: from Canada (e.g. Bimastos lawrenceae on Vancouver Island) and the United States (e.g. Eisenoides carolinensis, Eisenoides lonnbergi and most Bimastos spp.) and throughout Eurasia to Japan (e.g. Eisenia japonica, E. koreana ...
The worm has a hydrostatic skeleton and moves by longitudinal and circular muscular contractions. Setae – tiny hair-like projections – provide leverage against the surrounding soil. Surface movements on moist, flat terrain were reported at a speed of 20 m/h and, based on measurements of the length of the trail, nocturnal activity away from ...
Earthworms are shifting their ranges northwards into forests between 45° and 69° latitude in North America that have lacked native earthworms since the last ice age. [3] Of the 182 taxa of earthworms found in the United States and Canada, 60 (33%) are introduced species, these earthworm species are primarily from Europe and Asia.
Lumbricus terrestris has several common names, including common earthworm, nightcrawler, and dew worm. It is strongly pigmented, brown-red dorsally, and yellowish ventrally. Setae are widely paired at both ends of the body.
Ascaris lumbricoides is a large parasitic roundworm of the genus Ascaris. It is the most common parasitic worm in humans. [1] An estimated 807 million–1.2 billion people are infected with Ascaris lumbricoides worldwide. [2]
Dendrodrilus rubidus is a species of earthworm in the family Lumbricidae.It is native to Europe, and it is a widespread introduced species, [1] occurring on every continent except Antarctica, as well as many islands. [2]
Aporrectodea is a genus of earthworms in the family Lumbricidae. The genus includes some of the most common earthworms in the Palearctic realm and in agricultural soils across the temperate regions of the world. [1] Several species are found throughout the world today, having been widely introduced via agriculture.
The worms require loose soil to burrow in and soil moist enough for gas exchange. [3] Further requirements include such abiotic factors as pH and temperature. Various abiotic factors are significant to Lumbricus rubellus. pH is of particular importance; a range of 5.5 to 8.7 is acceptable with a preference for neutral soils. [4]