Calosoma cyanescens is a species of ground beetle in the subfamily of Carabinae. It was described by Victor Motschulsky in 1859. This species is found in north-eastern China, North Korea, South Korea, northern Japan (Honshu and Hokkaido) and Russia (Siberia).Catalogue of Life: Calosoma cyanescens
Adults reach a length of 16-28 mm.Calosoma of the world
Taxonomy This species is often treated as a subspecies of Calosoma inquisitor.
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