蝴蝶有几只眼睛？

两只复眼，每只复眼有很多小的单眼，种类不同而数目不同。一般在100只以上。

As do all insects, butterflies and moths have a hard outer covering, or exoskeleton, that supports and protects the body. Also typical of insects, lepidopterans possess a body divided into three main parts—head, thorax, and abdomen—and have three pairs of jointed legs.

The small, round head protects the lepidopteran’s brain and bears the insect’s sensory organs and mouthparts. Butterflies and moths have a pair of large, oval, compound eyes, each made up of thousands of individual lenses, or ommatidia. In spite of the many lenses, the lepidopteran eye is thought to see a single, reasonably clear image. In addition to the spectrum of colors from red to violet that humans can see, butterflies and moths can perceive ultraviolet wavelengths of light.

Luna Moth
The full-grown luna moth has transparent circles bordered by light yellow and blue rings on its light green wings. Luna moths reproduce twice a year and e