Campsomeris is a Neotropical genus of the family Scoliidae, also known as the scoliid wasps. They are generally parasites of beetle larvae, most often of Scarabaeidae.
Campsomeris are large wasps with completely black bodies in both sexes, including the setae and hind tibial spurs. The wings may be hyaline, orange, or violaceous depending on the species.
Species of this genus are known from the West Indies and from Guatemala south to northern Argentina and Chile.
Species within this genus include: