''Agonum affine'' 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 ...

in the

Platyninae Platyninae is a subfamily of ground beetles (family Carabidae). Genera The subfamily Platyninae contains about 250 genera organized into three tribes: ; Tribe Omphreini Ganglbauer, 1891 : '' Omphreus'' Dejean, 1828 ; Tribe Platynini Bonelli, ...

subfamily. It was described by

William Forsell Kirby William Forsell Kirby (14 January 1844 – 20 November 1912) was an English entomologist and folklorist. He specialized in the study of the stick insects, describing nearly 70 species and 22 genera. His collection filled 120 cabinets and clai ...

in 1837 and is endemic to the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

References

Beetles described in 1837

affine Affine may describe any of various topics concerned with connections or affinities. It may refer to: * Affine, a Affinity_(law)#Terminology, relative by marriage in law and anthropology * Affine cipher, a special case of the more general substi ...

Endemic insects of the United States Beetles of North America Taxa named by William Kirby (entomologist) {{Platyninae-stub