informal group Pulmonata
informal group Sigmurethra
clade limacoid clade
Yellow slugs, like the majority of other land slugs, use two pairs of tentacles on their heads to sense their environment. The upper pair, called optical tentacles, is used to sense light. The lower pair, oral tentacles, provide the slug's sense of smell. Both pairs can retract and extend themselves to avoid hazards, and, if lost to an accident or predation, can be regrown.
Like all slugs, the yellow slug moves relatively slowly, gliding along using a series of muscular contractions on the underside of its foot, which is lubricated with mucus, such that it leaves a slime trail behind it.
This species is strongly associated with human habitation, and is usually found in damp areas such as cellars, kitchens, and gardens. Generally speaking it is only seen at night, because it is nocturnal. Thus often it goes unnoticed and people are unaware of how (relatively) common the species is.
Parasites of Limax flavus include:
- Angiostoma spiridonovi Morand, 1992
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- Morand S. (1992) Angiostoma spiridonovi sp. n. (Nematoda: Angiostomatidae) from Limax flavus (Gastropoda: Limacidae). Journal of the Helminthological Society of Washington 59: 212–217.