The killer slug was found in a garden in Kalix, reports P4 Norrbotten.
The invasive species is mainly found in southern and central Sweden. However, established populations have existed for some time in Norrland's coastal areas.
There are also established populations inland. In Östersund and Vilhelmina, the species has been present for many years, says Ted von Proschwitz, biologist at the Gothenburg Museum of Natural History.
It cannot be entirely confirmed that killer slugs are now found throughout Sweden. However, Norrland can expect more killer slugs in the future.
I think it may come, or that it is already present in more locations in Norrland. It is likely that this is the case.
The killer slug has a relatively poor ability to spread on its own, according to von Proschwitz. It is mainly humans who spread it and its eggs.
This occurs when we move plants and soil, or dispose of plant waste in the forest. Then it is easy for killer slugs to tag along.
Even if we do it unintentionally, he says, urging caution when handling plants.
