• (n.) The hindermost dorsal piece of a thoracic somite of an insect; the plate behind the scutellum.
A small division of the mesonotum just behind the scutellum: usually very small or absent, but well developed in certain flies.
Post`scu·tel'lum noun [ New Latin See Post- , and Scutellum .] (Zoology) The hindermost dorsal piece of a thoracic somite of an insect; the plate behind the scutellum.