part of epicranium In insects, the upper and lateral parts of the cranium, indefinitely delimited laterally from the hypocranium when the latter is formed; often defined in other ways, for example, as the entire cranium except the clypeus, eyes, postmentum and gula. In mosquito larvae, loosely the top of the cranium about as far laterally as the lower margin of the compound eyes. TGMA:0000719 TGMA:0000719 default_namespace epicranial plate