postscutellum
/ˌpəʊstskjuːˈtɛləm/Entomology
noun
In certain orders of insect: a dorsal sclerite posterior to the scutellum of the mesothorax or the metathorax. Also: = postnotum.
Origin
Early 19th century; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From post- + scutellum.