Limax sarnensis

Limax sarnensis Heim & Nitz, 2009

Languages: English

Description

Behaviour

Active at night, locally in high population densities.

Copulation takes place in 80-180 cm height above surface (for example at coniferous tree trunks), posterior ends of both animals are united and sticked on a slime thread (difference to L. cinereoniger), penes are everted and reach 50-75 % of body length. Dates of observed copulations were not recorded; life cycle unresearched.

Author(s): www.animalbase.org (F. Welter Schultes)
Rights holder(s): www.animalbase.org (F. Welter Schultes)

Morphology

External:  Slug colour variable, creamy white, brownish or black, often with colour spots or bands; mantle always evenly coloured without patterns (difference to several other species). 

Internal:  Penis 1/3-1/2 of body length, inside with weak transverse folds and one interior pilaster; vas deferens inserts close to tip of penis, retractor attached at same point as vas deferens.

Author(s): www.animalbase.org (F. Welter Schultes)
Rights holder(s): www.animalbase.org (F. Welter Schultes)

Size

Up to 200 x 22 mm (preserved 165 x 17 mm).

Author(s): www.animalbase.org (F. Welter Schultes)
Rights holder(s): www.animalbase.org (F. Welter Schultes)

Ecology and Distribution

Distribution

Central and S Switzerland, adjacent N Italy.

Type Locality: Switzerland: Canton Obwalden, Rischiwald near Glaubenberg, 1080 m.

Author(s): www.animalbase.org (F. Welter Schultes)
Rights holder(s): www.animalbase.org (F. Welter Schultes)

Habitat

Mountain habitats, usually at 1000-1500 m, also in forests. 

Author(s): www.animalbase.org (F. Welter Schultes)
Rights holder(s): www.animalbase.org (F. Welter Schultes)

Trophic Strategy

Slugs feed on lichens growing on coniferous trees.

Author(s): www.animalbase.org (F. Welter Schultes)
Rights holder(s): www.animalbase.org (F. Welter Schultes)