The Nocturnal Worm (Allolobophora nocturna) is a species of earthworm in the Lumbricidae family.
As it's name suggests, this species is most often encountered when it comes to the surface on some nights. This species inhabits Arable grasslands. Up to 18cm in length, this large worm is often a dark red in colour, sometimes browner, with a? darker clitellum.