The area that is adjacent to the proximal end of the salivary duct and corresponds to the site of insertion of the dorsal and ventral premento-salivarial muscles.
written by: Popovici, O. A., I. Mikó, K. Seltmann, and A. R. Deans. 2012. The maxillo-labial complex in Sparasion (Platygastroidea: Platygastridae). Journal of Hymenoptera Research in prep.