alternative definition added over 15 years ago by Istvan Miko
Median, longitudinal keel on propodeum, usually well elevated, especially in its anterior part.
Reference: Masner, L., and J. L. GarcĂa. 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.