required reading:
Land MF, Gibson G, Horwood J, Zeil J. 1999. Fundamental differences in the optical structure of the eyes of nocturnal and diurnal mosquitos. J comp Physiol A 185. 91-103
pdf-file

Questions:

optional background reading:
Land MF, Nilsson DE. 2002. Animal Eyes. Oxford Animal Biology Series.
Warrant EJ, McIntyre PD. 1993. Arthropod eye design and the physical limits to spatial resolving power. Progress in Neurobiology 40:413-461.
Land MF. 1997. Visual acuity in insects. Ann Rev Entomol 42:147-177. pdf-file.

power point slides (pdf -file 2.9MB)

insect vision links:
The Lund Vision Group, Lund, Sweden
Sussex Vision Laboratory (Mike Land)
Insect Vision Group, Cambridge, England
Visual Sciences Group, Canberra, Australia
Hans van Hateren's Lab - Department of Neurobiophysics, University of Groningen