Most of them feed on the leaves of shrubs and trees, which is harmful to the forest. I have never seen a species that feeds on bamboo and bamboo leaves. Because their body color is green or yellowish brown, and their body shape is very similar to their habitat, they are often regarded as one of the typical representative animals of mimicry. Generally inactive during the day, body color and body shape have protective effects. Feeding on leaves at night. Develop into a gradual transformation. Stick insects can often reproduce parthenogeneously, with few males, and unfertilized eggs develop into females. When injured, the feet of young insects can fall off and regenerate themselves. High humidity, low temperature and dark light can make the body color darker, on the contrary, the body color can be lighter. The body color is different between day and night, which becomes a rhythmic body color change.