An insect's head is composed of a capsule of fused plates at the anterior end of the body. They have one large pair of compound eyes and honeycomb like corneal facets. In contrast to this, are the three simple ocelli, found dorsal to compound eyes. | An insect's head is composed of a capsule of fused plates at the anterior end of the body. They have one large pair of compound eyes and honeycomb like corneal facets. In contrast to this, are the three simple ocelli, found dorsal to compound eyes. |