Trigonalidae (family) (Trigonalid wasp)
These wasps do not appear to be related to anything else. Their mode of parasitism is unique and they would be better called hyperparasites - see https://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:a377ab7e-d807-43a2-826e-2a93f1d80ef4 .
Gallery
Regional distribution
Trigonalidae (family) is listed in the following regions: