英文摘要： The visual system of cricket is composed of ocelli, compound eyes and
optic lobes. The ocelli of cricket are called dorsal ocelli, which consists of
cornea, corneagenous cells, and the retina etc. The ocelli of insects are to impr
ove the perception of visual stimuli excited about the level of the excitation
site. The compound eye of cricket is the most important organ of visual system.
It is composed of cornea，crystalline conel, rhabdom, retinula cell and basement
membrane. It is a center of photo and visual transduction cascade reaction. Opti
c lobe, the center of vision system, is constituted by lamina, medulla and
lobula.