Opisthacantha 66 female (USNMENT01059085), head, mesosoma, metasoma, dorsal view 67 female (USNMENT01059085), head, mesosoma, metasoma, ventrolateral view 68 male (USNMENT01059081), head, mesosoma, metasoma, dorsolateral view 69 male (USNMENT01059081), head and mesosoma, dorsolateral view. Scale bars in millimeters.

 
 
  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