In nature, the over\|wintering adults of Chrysoperla sinica entered the facultative diapause in China and their body coloration had a obvious change during the winter. Many researchers had ever described the coloration change of this lacewing in nature at different regions, but up to now we are still ignorant of how about the relationship between the reproductive diapause and the coloration change. In order to make clear this question, the characteristics of body coloration change and diapause developme...