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Milax gagates, known by the common name greenhouse slug, is a species of air-breathing, keeled, land slug, a shell-less terrestrial gastropod mollusc in the family Milacidae. [ 2 ] Description
Unlike some slugs, European Arionidae have no keel on the back. [1] The caudal mucous pit is above the tip of the tail. [1] The respiratory pore (pneumostome) is in front of the midpoint of the mantle. [1] The body length is up to 250 mm. [1] The mantle covers only a part of the body and lies in the anterior part. [1]
Up to 40 millimetres (1.6 in) long. A roundback slug but with a keel consisting of pale, raised tubercles along the back. In colour the slug is grey to greyish brown becoming whitish down to the sides. There are broad and well marked dark lateral colour bands (white sides below the bands). The sole is whitish or cream.
Arion is a genus of air-breathing land slugs in the family Arionidae, the roundback slugs.Most species of this Palearctic genus are native to the Iberian Peninsula. [2]Species can be difficult to distinguish from one another upon cursory examination, because individuals of a species can vary in color and there are few obvious differences between taxa. [3]
They are very variable in color. Individual slugs can be white, off-white, yellow, dark or light grey, beige, pink, red, or olive green. [4] Each of the color forms have a red (possibly orange, magenta, or maroon) triangle on the mantle surrounding the pneumostome, and a red line at the edge of the foot. The texture of the dorsum of the slug ...
The slugs can be seen by the hundreds on cool, wet, misty mornings. [2] During the day, they hide in the plant litter at the base of the trees. [2] At night, they come out and climb the tree to eat algae and mosses growing on the tree trunk. [2] The slugs climb down the tree trunk in the early morning to hide and repeat the cycle. [2]
Laevicaulis alte is a round, dark-coloured slug with no shell, 7 or 8 cm (2.8 or 3.1 in) long. Its skin is slightly tuberculated. The central keel is beige in colour.. This slug has a unique, very narrow foot; juvenile specimens have a foot 1 mm (0.039 in) wide and adult specimens have a foot that is only 4 or 5 mm (0.16 or 0.20 in) wide.
The black slug (also known as black arion, European black slug, or large black slug), Arion ater, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs. Many land slugs lack external shells, having a vestigial shell. [ 2 ]