Small field worm

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Small field worm
The small field worm appears multicolored through the inner, yellow body fluid

The small field worm appears multicolored through the inner, yellow body fluid

Systematics
Trunk : Annelids (Annelida)
Class : Belt worms (Clitellata)
Order : Little bristle (Oligochaeta)
Family : Earthworms (Lumbricidae)
Genre : Allolobophora
Type : Small field worm
Scientific name
Allolobophora chlorotica
Savigny , 1826

The small fieldworm ( Allolobophora chlorotica ) is a type of earthworm . It is often found in heavy, moist soils, also near water. The scientific generic name (Greek lobos = lobe, phoros = bearing) indicates existing body features.

features

Head flap with first segment

The small field worm is 3 to 7 cm long, weakly pigmented, pale, bluish to greenish, also pink in color. The bristles are closely paired and the head flap does not completely divide the following, first, segment. The male sexual spores are located on the 15th segment, and segments 31, 33 and 15 each have a pair of puberty tubercles. The clitellum extends from the 29th to 37th segment.

The yellow mucus inside the body, which makes the worm appear multicolored, is striking. When disturbed, the worm usually rolls up, otherwise it is quite sluggish in its movements compared to other earthworms.

Way of life

The small field worm lives in damp and wet soils with rich garden soil and in damp and rotting leaves.

Systematics

The small field worm is an independent species within the genus. It was scientifically described by Marie Jules César le Lorgne de Savigny in 1826 . Genetic studies have shown that four species can be identified under the name Allolobophora chlorotica , especially the pink and greenish ones are different.

supporting documents

  1. ↑ a b c Allolophora in the Lexikon der Biologie on Wissenschaft-online.de; accessed on June 12, 2020.
  2. ^ A b Matthias Schaefer : Brohmer - Fauna of Germany. 19th revised edition, Quelle & Meyer Verlag, Wiesbaden 1994, ISBN 3-494-01225-3 ; P. 102.
  3. ^ R. Andrew King, Amy L. Tibble, William OC Symondson: Opening a can of worms: unprecedented sympatric cryptic diversity within British lumbricid earthworms. Molecular Ecology 17 (21), October 24, 2008; Pp. 4684-4698. doi : 10.1111 / j.1365-294X.2008.03931.x
  4. ↑ Joachim Czichos: Number of earthworm species underestimated on Wissenschaft-aktuell.de, October 10, 2008; accessed on June 12, 2020.

literature

Web links

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