Phasmatodea, commonly known as stick insects or walking sticks, are masters of camouflage, resembling twigs or leaves. They inhabit forests and grasslands, primarily in tropical regions. These nocturnal herbivores have elongated bodies and can regenerate lost limbs. Some species exhibit parthenogenesis, reproducing without males.

Phasmatodea, commonly known as stick insects or walking sticks, are primarily found in tropical and subtropical regions. Their distribution includes continents such as Asia, Australia, South America, and parts of North America. They are especially diverse in Southeast Asia and Australia.

Stick insects inhabit a range of environments, predominantly in forested areas where they can find ample vegetation for camouflage and feeding. These environments typically have warm climates with sufficient humidity, which are conducive to their survival and reproduction.

Phasmatodea occupy an ecological niche as herbivores, feeding primarily on leaves, which they mimic in appearance to avoid predators. Their ability to blend into their surroundings provides an effective defense mechanism. Some species have adapted to different habitats, including arid or temperate regions, by developing specific physiological or behavioral adaptations to cope with varying environmental conditions.