alternative definition added almost 15 years ago by Istvan Miko
The area that is smooth and is located laterally of the central keel.
Reference: Masner, L., and J. L. García. 2002. The genera of Diapriinae (Hymenoptera: Diapriidae) in the new world. Bulletin of the American Museum of Natural History 268:107-138.
Cross reference:
None provided.