Typical postures of oviposition of extant wasps (Photos by Jason Shih). A, The metasoma is raised vertically above the head and mesosoma forming an “L” shape. B, The metasoma is bent and parallel to the head and mesosoma forming a “=” shape. C, The distal part of metasoma is bent downward from the basal part of metasomal forming an inverted “V” shape. D, The metasoma is not bent from the head and mesosoma forming a linear “—” shape.