Laevicaulis stuhlmanni

Species of slug From Wikipedia, the free encyclopedia

Laevicaulis stuhlmanni

Laevicaulis stuhlmanni is a species of terrestrial, nocturnal slug in the family Veronicellidae. It is native to parts of tropical Africa.

Quick Facts Scientific classification, Binomial name ...
Laevicaulis stuhlmanni
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Laevicaulis stuhlmanni aegypti
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Systellommatophora
Family: Veronicellidae
Genus: Laevicaulis
Species:
L. stuhlmanni
Binomial name
Laevicaulis stuhlmanni
Simroth, 1895
Synonyms
  • Vaginula stuhlmanni (Simroth, 1895)
  • Eleutherocaulis stuhlmanni (Simroth, 1895)
  • Vaginula aequatorialis (Simroth, 1896)
  • Vaginula brauni (Simroth, 1913)
  • Vaginula schnitzleri (Simroth, 1895)
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Description

Laevicaulis stuhlmanni shows a flattened body and a dark to light brown colour. Adults are on average 45 mm long and 15.5 mm wide. The weight of an adult averages around 3.5 g.[1]

Feeding habits

Laevicaulis stuhlmanni is a grazer and detritus feeder.[2]

Distribution

Laevicaulis stuhlmanni occurs naturally in tropical regions of Africa, including Congo[3] Kenya, Tanzania and Uganda.[4][5] It has been introduced to Egypt, where it is viewed as a serious agricultural pest.[1]

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Underside of Laevicaulis stuhlmanni aegypti showing its thin foot embedded in the thick outer mantle.

Life cycle

In Egypt the reproductive season of Leavicaulis stuhlmanni starts in March or April, when the temperature rises, and lasts until November. [1] They are hermaphrodites and self-fertilization is common.[1] During the oviposition period each slug can produce 5 clutches over the course of 46 days. Under laboratory conditions Leavicaulis stuhlmanni lays individual egg clutches containing up to 140 oval to spherical elongated, clear translucent eggs.[1] The clutch is covered with a soil-rich fecal pellet-ribbon that helps maintain a high humidity within it. Incubation period ranges from 10 to 19 days at a temperature of around 30°C and a humidity between 52 % and 64 %. Laevicaulis stuhlmanni reaches sexual maturity 2 to 3 months after hatching, depending on climatic conditions. Total life span is between 5 and 6 months.[1]

References

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