''Agonum extensicolle'' 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 ...

from

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 that can be found in

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

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 ...

and

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

References

Beetles described in 1823 Beetles of North America extensicolle {{Platyninae-stub