A: Opiognathus nitidus head posterior; showing no occipital carina, B: O. nitidus; antennae, C: Areotetes carinuliferus; habitus, D: A. carinuliferus; areolate propodeum, E: Diachasmimorpha longicaudata; striated T2, F: D. longicaudata; pronotum with midpit.