As its name suggests, the stick insect resembles the twigs amid which it lives, accouterment it with one of the best able accustomed camouflages on Earth. It and the appropriately camouflaged blade insect comprise the Phasmida order, of which there are about 3,000 species.
Stick insect species, about alleged walking sticks, ambit in admeasurement from the tiny, half-inch-long (11.6-millimeter-long) Timema cristinae of North America, to the appalling 13-inch-long (328-millimeter-long) Phobaeticus kirbyi of Borneo. This behemothic measures over 21 inches (55 centimeters) with its legs outstretched, authoritative it one of the world’s longest insects. Females are commonly beyond than males.
Phasmids about actor their ambience in color, commonly blooming or brown, although some breed are blithely black and others clearly striped. Many stick insects accept wings, some spectacularly beautiful, while others resemble little added than a stump. A cardinal of breed accept spines and tubercles on their bodies.
Found predominantly in the tropics and subtropics—although several breed alive in abstemious regions—stick insects advance in forests and grasslands, area they augment on leaves. Mainly nocturnal creatures, they absorb abundant of their day motionless, hidden beneath plants.
Many stick insects feign afterlife to baffle predators, and some will afford the casual limb to escape an enemy’s grasp. Others bash at predators with their spine-covered legs, while one North American species, Anisomorpha buprestoides, emits a putrid-smelling fluid.
Little is accepted about stick insects, authoritative it difficult to acknowledge the vulnerability of their cachet in the wild. The pet barter presents a abeyant threat, forth with the accepted convenance of framing their carcasses, like butterflies.