Billmasonius cienci female holotype. A Habitus B Head frontal C Fore wing D Head, mesosoma and tergite 1, dorsal E Metasoma dorsal F Propodeum and Tergites 1 to 2.

  Part of: Fernandez-Triana J, Boudreault C (2018) Seventeen new genera of microgastrine parasitoid wasps (Hymenoptera: Braconidae) from tropical areas of the world. Journal of Hymenoptera Research 64: 25-140.