A A mature pupa of Metapelma beijingense Yang, near the buprestid larva B a new pupa of M. beijingense Yang, with the buprestid larva C empty cocoons of Spathius ochus Nixon D pupa of M. beijingense Yang and cocoons of S. ochus Nixon showing synparasitism.

 
 
  Part of: Cao LM, van Achterberg C, Tang YL, Yang ZQ, Wang XY, Cao TW (2020) Redescriptions of two parasitoids, Metapelma beijingense Yang (Hymenoptera, Eupelmidae) and Spathius ochus Nixon (Hymenoptera, Braconidae), parasitizing Coraebus cavifrons Descarpentries & Villiers (Coleoptera, Buprestidae) in China with keys to genera or species groups. ZooKeys 926: 53-72. https://doi.org/10.3897/zookeys.926.48688