Herpestomus
Diagnosis
- 3rs-m of forewing present (areolet closed)
- gastrocoelus and thyridium well-developed (in all known Nearctic species though many in the Palearctic with the thyridium and gastrocoelus absent and currently classified as Dicaelotus)
- female metasomal apex oxypygous
- head as in figure (reminiscent of the Orthocentrus genus group)