see text Metapelma is a parasitic wasp genus, the only genus in the family Metapelmatidae.
[1] They are parasitoids of longhorn-beetle larvae, which are wood-borers.
Various hymenopterous insects, partly from the collection of the Rev.
Proceedings of the Zoological Society of London III: 68-72. https://www.biodiversitylibrary.org/item/96158#page/247/mode/1up
This chalcid wasp-related article is a stub.