that is medially on the proximodorsal margin
of the cupula
and is delimited laterally by the site of origins of the dorsomedial cupulo-gonostipal muscles.
written by: Mikó, I., M. J. Yoder, E. Johannes, and A. R. Deans. 2012. Male terminalia of Ceraphronoidea: diversity in a monotonous system. Insect Systematics and Evolution in prep.