''Elaphrus pyrenoeus'' is a species of

ground beetle Ground beetles are a large, cosmopolitan 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 is one of the 10 most species-rich animal fami ...

in the subfamily

Elaphrinae Elaphrinae is a subfamily of beetles in the family Carabidae, containing the following genera: * ''Blethisa ''Blethisa'' is a genus of ground beetle native to the Palearctic. It contains the following species: * ''Blethisa catenaria'' Brown, ...

. It was described by

Victor Motschulsky Victor Ivanovich Motschulsky (sometimes Victor von Motschulsky, russian: link=no, Виктор Иванович Мочульский, 11 April 1810, in St. Petersburg – 5 June 1871, in Simferopol) was a Russian entomologist mainly interested i ...

in 1850.

References

Elaphrinae Beetles described in 1850 Taxa named by Victor Motschulsky {{Carabidae-stub