leaf insect, common name given to herbivorous insects insect, invertebrate animal of the class Insecta of the phylum Arthropoda . Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
..... Click the link for more information. of leaflike appearance forming a single family in the order Phasmida. Leaf insects are green and have extremely flattened, irregularly shaped bodies, wings, and legs; they are usually about 4 in. (10 cm) long. Their wings often have venation similar to that of the leaves on which they live. The eggs of leaf insects are scattered on the ground and hatch in the spring. The young resemble the adults except for their smaller size and reddish color; shortly after they begin feeding on leaves they turn green. Leaf insects are tropical in distribution. The walking sticks walking stick or stick insect, names applied to extremely longbodied, slow-moving, herbivorous insects , forming a single family in the order Phasmatodea.
..... Click the link for more information. of tropical and temperate climates are members of the same order. Leaf insects are classified in the phylum Arthropoda Arthropoda (ärthrŏp`ədə) [Gr.,=jointed feet], largest and most diverse animal phylum.
..... Click the link for more information. , class Insecta, order Phasmida.

leaf insect

or walking leaf

Any of about 25 species of flat green insects (family Phylliidae) with a leaflike appearance. Leaf insects, which range from India to the Fiji Islands, are about 2.3 in. (60 mm) long. The female has large leathery forewings (tegmina) that lie edge to edge on the abdomen and resemble, in their vein pattern, the midrib and veins in a leaf. The hind wings have no function. The male has small tegmina and ample, non-leaflike, functional hind wings. The newly hatched young are reddish, but become green after feeding on leaves.