postscutellum
From ZooTerms (Dictionary of Invertebrate Zoology)
postscutellum (noun; Latin post, after; diminutive scutum, a shield): (Arthropoda: Insecta) 1. A small transverse piece of a thoracic notum immediately behind the scutellum or between the apex of the scutellum and the base of the propodeum; pseudonotum. 2. In Diptera, a convex, transverse swelling below the scutellum
See also: subscutellum.
