The
anatomical cluster that is composed of median plates in the
wing base; a complex of sclerites that originates from different fore- and hind
wing vein bases.
written by: Karlsson, D., and F. Ronquist. 2012. Skeletal Morphology of Opius dissitus and Biosteres carbonarius, with a Discussion of Terminology and Morphological Variation in Opiinae (Hymenoptera: Braconidae). PLoS ONE 7:1-38.