The Periplaneta australasiae, commonly known as the Australian cockroach, is a large, reddish-brown insect with distinctive pale yellow bands along the edges of its forewings. It thrives in warm, humid environments and is known for its strong flying abilities. Typically found in tropical climates, it often inhabits gardens and greenhouses, playing a role in decomposing organic matter.

The Australian cockroach (Periplaneta australasiae) is believed to be native to the Indo-Pacific region, particularly Southeast Asia. However, it is now widespread across tropical and subtropical regions worldwide due to human activity and its ability to adapt to various environments.

Periplaneta australasiae typically inhabits warm and humid environments. It is commonly found in areas with abundant moisture and organic matter, such as forests, gardens, and urban areas like basements, greenhouses, and sewers. Its preference for high humidity and warm temperatures makes it well-suited to tropical and subtropical climates.

The Australian cockroach is a nocturnal scavenger that feeds on a variety of organic materials, including decaying plant matter, food scraps, and other detritus. It plays a role in the ecosystem as a decomposer, helping to break down organic material and recycle nutrients. In human habitats, it can become a pest due to its feeding habits and potential to spread disease.