''Blethisa multipunctata'' is a species of

ground beetle Ground beetles are a large, cosmopolitan distribution, cosmopolitan family (biology), family of beetles, the Carabidae, with more than 40,000 species worldwide, around 2,000 of which are found in North America and 2,700 in Europe. As of 2015, it i ...

native to

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

.Carl H. Lindroth 1974 Coleoptera. Carabidae. ''Handbooks for the Identification of British Insects'' Vol 4 Part 2. Royal Entomological Society,Londo
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The habitat is stream, river and lake margins. It is amphibious, able to hunt below water for up to an hour.

References

multipunctata Beetles described in 1758 Taxa named by Carl Linnaeus Beetles of Europe {{Carabidae-stub