It is a larger species in the cockroach family, commonly known as the American cockroach. Native to Africa, but now widely distributed around the world with human activities, especially in warm and humid environments. The body length is about 40-50 millimeters, with a reddish brown outer shell and long antennae. Wings are well-developed and able to fly, but tend to crawl. Known for its strong survival ability and adaptability, it can survive under extreme conditions, such as one month without food and one week without water. In the environment where humans live, they are usually considered pests and may contaminate food and spread diseases

The American cockroach is an insect belonging to the family Blattonidae in the order Blattiformes, also known as cockroach, vegetable beetle, and oil thief. Adult body length is 29-35 millimeters, reddish brown in color. The American cockroach is distributed worldwide and is found in Tianjin, Hebei, Liaoning, Jilin, Zhejiang, Hubei, Sichuan and other places in China. Strict temperature requirements, good at walking quickly and flying short distances. I enjoy eating spoiled and spoiled food, as well as sugar. In tropical regions, I can prey on other small insects and even kill each other, eating the eggshells of the same species. The Chinese cockroach can carry various pathogens to spread diseases, such as epilepsy, typhoid fever, cholera, amoebiasis, etc.

Cockroaches generally refer to insects belonging to the "cockroach" (scientific name), belonging to the arthropod, insects, cockroaches (Blattaria), commonly known as cockroaches, are common medical insects. Among them, only about dozens of species will invade human homes, and there are several species that are kept by humans as pets and as food for pets. Most of the species can only be seen in wild mountain streams and forests or insect museums. The most common cockroach at home, the big one is about 5.0cm long.