Worldwide there are about 3,500 species of cockroaches. The United States alone is home to more than 50 different varieties. Of those species, there is about four kind of cockroaches that are considered pests.
German Cockroach actually comes from Asia. In fact. it is related to the Asian Cockroach.
American Cockroach is also called a Palmetto Bug or Water Bug;. Although it is called the American Cockroach, this species originated in Africa.
Also known Waterbug, the Oriental Cockroach is a large species. It measures about one inch long. Its body coloring varies from brown to black.
Almost identical to the German Cockroach, the Asian Cockroach measures about two-thirds of an inch long, with color ranging from tan to brown. The Asian Cockroach has longer wings than the German Cockroach so can fly, and it is attracted to light.