Oreodytes sanmarkii

Oreodytes sanmarkii is a species of predaceous diving beetle in the family Dytiscidae.^[1][2][3] It has a holarctic distribution, found in aquatic habitats in Europe, northern Asia (excluding China), and North America.^[2] It has an affinity toward low-velocity currents and pebbly microhabitat substrates.^[4][5] It was described by Finnish entomologist Carl Reinhold Sahlberg in 1826.

Oreodytes sanmarkii
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Family:	Dytiscidae
Genus:	Oreodytes
Species:	O. sanmarkii
Binomial name
Oreodytes sanmarkii (C. R. Sahlberg, 1826)
Synonyms
Hydroporus rivalis (Gyllenhal, 1827)

Subspecies

There are two named subspecies of Oreodytes:^[2]

• Oreodytes sanmarkii alienus (Sharp, 1873)
• Oreodytes sanmarkii sanmarkii (C. R. Sahlberg, 1826)