Ribi, Willi A.; Zeil, Jochen
We investigated the functional anatomy of the visual system in the Australian 'Redeye' cicada Psaltoda moerens, including compound eyes and ocelli. The compound eyes have large visual fields, about 7500 ommatidia per eye and binocular overlaps of 10-15° in the frontal and of 50-60° in the dorsal visual field. The diameters of corneal facet lenses range between 22 and 34μm and the lenses are unusually long with up to 100μm in some eye regions. In the posterior part of the eyes, the hexagonal...[Show more]
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