''Oreodytes sanmarkii'' is a species of

predaceous diving beetle The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "able to dive" – are the predaceous diving beetles, a Family (biology), family of water beetles. They occur in virtually any freshwater habitat around the world, but a ...

in the family Dytiscidae. It has a holarctic distribution, found in aquatic habitats in Europe, northern Asia (excluding China), and North America. It has an affinity toward low-velocity currents and pebbly microhabitat substrates. It was described by Finnish

entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach ...

Carl Reinhold Sahlberg in 1826. Oreodytes sanmarkii

Subspecies

There are two named

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of ''Oreodytes'': * ''Oreodytes sanmarkii alienus'' (Sharp, 1873) * ''Oreodytes sanmarkii sanmarkii'' (C. R. Sahlberg, 1826)

Subspecies

References

Further reading