epicranium

[ ep-i-krey-nee-uhm ]

/ ˌɛp ɪˈkreɪ ni əm /

Anatomy. the layer of scalp formed by muscle and flattened tendon.

Entomology. the top of the head in insects, usually including the frons, genae, and vertex.

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First recorded in 1885–90; epi- + cranium

Clypeal suture: marks the division between clypeus and epicranium.
Explanation of Terms Used in Entomology|John. B. Smith
The head is extended from behind forwards, so that the crown (epicranium) is large, while the face (clypeus) is small.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6|Various
Epicranial plate: in some larvae a plate-like structure forming the epicranium.
Explanation of Terms Used in Entomology|John. B. Smith
Above is the crown (vertex or epicranium), on which or on the “front” may be seated three simple eyes (ocelli).
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4|Various

Protocranium: the posterior part of the epicranium: sometimes used as Occiput.
Explanation of Terms Used in Entomology|John. B. Smith

epicranium

[ ĕp′ĭ-krā′nē-əm ]

The structures covering the cranium.