1) Carabid beetle 2) Ground beetle 
Calosoma is a genus of large ground beetles that occur primarily throughout the Northern Hemisphere, and are referred to as caterpillar hunters or searchers. Many of the 167 species are largely or entirely black, but some have bright metallic coloration. They produce a foul-smelling spray from glands near the tip of the abdomen. They are recogniza...
Calosoma is a genus of ground beetles (Carabidae) usually found climbing trees where they prey on other insects, such as caterpillars. The larva stage lasts a few weeks, the adult stage between two and four years.
[n] - any beetle of the genus Calosoma
noun any beetle of the genus Calosoma