21 Sacespalus Kieffer (USNMENT01197981_1), mesosoma, lateral view 22 Sacespalus (USNMENT01197981_1), ventral portion of pronotal cervical sulcus, lateral view 23 Leptacis Förster (USNMENT00872705), anterior portion of pronotal cervical sulcus, lateral view 24 Synopeas Förster (USNMENT00989616_3), mesosoma, lateral view 25 Platygaster Latreille (USNMENT01197214_1), pronotum, lateral view 26 Trichacis Förster (USNMENT00989620), pronotum, lateral view. Scale bars in millimeters.

 
 
  Part of: Talamas EJ, Johnson NF, Shih C, Ren D (2019) Proterosceliopsidae: A new family of Platygastroidea from Cretaceous amber. In: Talamas E (Eds) Advances in the Systematics of Platygastroidea II. Journal of Hymenoptera Research 73: 3-38. https://doi.org/10.3897/jhr.73.32256