''Mecyclothorax ambiguus'' 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 i ...

in the subfamily Psydrinae. It was described by

Wilhelm Ferdinand Erichson Dr Wilhelm Ferdinand Erichson (26 November 1809 in Stralsund – 18 December 1848 in Berlin) was a trained medical doctor and a German entomologist. He was the author of many articles about insects mainly in ''Archiv für Naturgeschichte''. When w ...

in 1842.

References

ambiguus Beetles described in 1842 Beetles of New Zealand {{Psydrinae-stub