Diameter of lens of ocelii (simple eye)

Range ~0.7 mm
Organism Cockroach Periplaneta
Reference Mizunami M. Functional diversity of neural organization in insect ocellar systems. Vision Res. 1995 Feb35(4):443-52 DOI: 10.1016/0042-6989(94)00192-o p.444 right column 3rd paragraphPubMed ID7900285
Comments P.444 right column 3rd paragraph: "Cockroaches have only two ocelli with an extremely large visual field. The ocellar lens is very large (about 0.7 mm in diameter), perhaps the largest among known insects."
Entered by Uri M
ID 117185