on the propodeum
that is median and is delimited anteriorly and laterally by carinae.
written by: Wharton, R., L. Ward, and I. Mikó. 2013. New neotropical species of Opiinae (Hymenoptera, Braconidae) reared from fruit-infesting and leaf-mining Tephritidae (Diptera) with comments on the Diachasmimorpha mexicana species group and the genera Lorenzopius and Tubiformopius. Journal of Hymenoptera Research 243:27-82.