Stick insect, also known as? (sound the same as "repair") is phasmida (also known as? The floorboard of). Herbivorous insects are famous for imitating branches or leaves. There are about 2500 species in the world.

Large or very large insects, slender, cylindrical, rod-shaped or dendritic; Some species are as flat as leaves. Compound eyes are developed, and monocular eyes are usually degenerated. Wings usually degenerate; If there are wings, the front wings are usually smaller than the back wings. Incomplete metamorphosis, terrestrial, herbivorous insects. Most of them are distributed in the tropics.

Phasmida includes the longest insect in the world-Pharnacia Serratipes (distributed in Malay Peninsula), with a body length (including feet) of 55.5 cm.

Stick insects and mantis are close relatives.