Scientific Name: Arion distinctus
Body Colour: Brown
Size: 3cm when mature
Habitat: Common in the north of England, lowlands of Scotland and parts of Ireland and is common on agricultural land.
Extra Information: Its underside is orange or yellow and so is its body mucus. Also it is striped lengthwise and covered in tiny gold spots. This species of slug attacks both leaf and root crop, and is a major pest of potatoes.