The
area that is located ventrally of the ventral
margin of the
antennal foramen, medially of the
malar sulcus and the
inner orbit and dorsally of the
epistomal sulcus.
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.