corpora optica
From ZooTerms (Dictionary of Invertebrate Zoology)
Arthropoda: Insecta) A pair of small bodies lying above the pons cerebralis in the dorsal part of the brain, connected with the glomeruli of the ocellar nerves and the medullae externae of the optic lobes; thought to be association centers for both the ocelli and compound eyes.
corpora optica (plural; singular corpus opticum): (