snail

Deroceras reticulatum

Milky slug

Habitus (CC BY-SA 3.0) H. Krisp

Short Description

The milky slug is mostly light to medium brown and often has a characteristic spotted pattern. The edge of the respiratory opening is lighter than the rest of the body. However, monochrome animals also occur. The mucus is colourless or white. It is medium-sized and up to six centimetres long when stretched out.

Features

Milky slug

Deroceras reticulatum
  • often with net or spot pattern

  • light rim around breathing opening

Habitus (CC BY-SA 3.0) Rasbak

In the city

It prefers to live in cultivated landscapes. It is mainly found in open biotopes such as meadows, gardens, parks or along the edges of fields.

Fun Facts

  • It is an omnivore and is considered one of the main pests in vegetable production.

  • The species can only be clearly distinguished from other members of the genus Deroceras by examining the genital characteristics with the aid of a light microscope.

  • Its life cycle is highly temperature-dependent and varies greatly in different regions of Europe. For example, in Finland it lives for only about 4 months, whereas in Germany it can live for a year.

  • The breathing opening of slugs is always on their right side.

  • It is nocturnal.

  • Endangerment level Germany: not endangered
Habitus (CC BY-SA 3.0) Joseph Berger

Sources

Habitus, H. Krisp, CC BY-SA 3.0, https://commons.wikimedia.org/wiki/File:Genetzte_Ackerschnecke_Deroceras_reticulatum.jpg

Habitus, Rasbak, CC BY-SA 3.0, https://commons.wikimedia.org/wiki/File:Slak_kleine_naaktslak.jpg

Habitus, Joseph Berger, CC BY-SA 3.0, http://www.insectimages.org/browse/detail.cfm?imgnum=5386116

Wiese, V. (2014) Die Landschnecken Deutschlands. Finden – Erkennen – Bestimmen, Wiebelsheim: Quelle & Meyer Verlag.

Schniebs, K. (2017) Genetzte Ackerschnecke (Deroceras reticulatum (O. F. Müller, 1774)), URL: https://www.weichtiere-sachsen.de/Pages/TaxonomyBrowser.aspx?Id=421635 (Accessed: 15.09.2017).

Page „Genetzte Ackerschnecke“. : Wikipedia, The Free Encyclopedia. Date of last revision: 06.09.2017, 16:13 UTC. URL: https://de.wikipedia.org/w/index.php?title=Genetzte_Ackerschnecke&oldid=168842090 (Accessed: 15.09.2017).

AnimalBase (2013) Species summary for Deroceras reticulatum, URL: http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=694 (Accessed: 22.09.2020).