The
area that extends between anterior
margin of the median wall of the
stipes and the
lateral margin of the posterior wall of the
stipes and the base of the
mandible and the
labrum.
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.