Hailing from Europe this invader has become a highly invasive species in cooler parts of Australia, invading native vegetation along creek lines and temperate rainforests. There is a cream/yellow form and a grey colour form. It is called a hedgehog slug because tiny segments on its body stick out reminiscent of hedgehog quills when the slug retracts into a ball.
Arion intermedius is listed in the following regions:
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