Camponotus sericeiventris, commonly known as the silky-bellied carpenter ant, is a species of ant belonging to the genus Camponotus. These ants are typically found in tropical and subtropical regions, particularly in South America. They are known for their distinctive silky appearance on the underside of their abdomen, which gives them their name. Camponotus sericeiventris is a large ant species, with workers measuring around 8-12 mm in length.