3 Allostemma, female (USNMENT01059432), head, mesosoma, metasoma, dorsal view 4 Allostemma, female (USNMENT01059432), head, mesosoma, ventrolateral view 5 Leptacis, female (USNMENT00903167), head, mesosoma, metasoma, posterodorsal view.

 
 
  Part of: Talamas EJ, Buffington ML (2015) Fossil Platygastroidea in the National Museum of Natural History, Smithsonian Institution. Journal of Hymenoptera Research 47: 1-52. https://doi.org/10.3897/JHR.47.5730