Sigalphinae
Sigalphinae is a subfamily of braconid wasps, containing 8 genera and less than 50 described species.
Description
Species in the subfamily Sigalphinae are rare but have a worldwide distribution. They can be distinguished from other subfamilies of Braconidae by the combination of the hindwing with vein CUb present, the forewing with vein M + CU tubular and second submarginal cell longer than wide, the petiole with a pair of longitudinal carinae, and a metasoma that is not laterally compressed.All species with known hosts are koinobiont endoparasitoids which attack larval Lepidoptera from the families Noctuidae and Geometridae.