Literature

• Azevedo, C.O. 1999. Revision of the Neotropical Dissomphalus Ashmead, 1893 (Hymenoptera, Bethylidae) with median tergal processes. Arquivos de Zoologia 35: 301-394.

Literature references linked to higher taxa

• Encyclopedia of Life. [link] (Hymenoptera)
• Various contributors 2017. Hymenoptera Online (HOL) [accessed 8 March 2017]. [link] (Aculeata)