postclypeus
From ZooTerms (Dictionary of Invertebrate Zoology)
Arthropoda: Insecta) In some insects, the posterior or upper division of the clypeus differentiated by a suture from the anteclypeus, the ginglymus of the mandible attaches here; nasus; prefrons
postclypeus (noun; Latin post, after; clypeus, shield): (
See also: anteclypeus.