German cockroach: A single German cockroach can turn into three hundred thousand in just one year. With their astonishing ability to breed faster than almost every cockroach in the world, they are also incredibly sneaky. Most people don’t even know they have an infestation until it is too late. German cockroaches are known to infest kitchen appliances and rarely come out until their colony has grown tremendously. German cockroaches range in size from ½ inch to ⅝ of an inch long. They are light brown and tan in color, with two very recognizable stripes down their back.

American cockroach: American cockroaches also breed extremely fast. They primarily live outdoors, but it is not uncommon to find them inside a house. They are the most common cockroaches to infest sewers and drains, which can lead the curious species into your house. They are typically reddish-brown and adults are usually large in size. They range from 1 ¼ to 2 ⅛ inches long. It has figure eight or circular markings on its thorax.

Oriental cockroach: The Oriental cockroach is often referred to as a waterbug because they like to congregate in damp areas. They range in color from shiny black to dark reddish-brown. Oriental cockroaches will grow to around 1 inch in size, but depending on the gender, they will vary in size. 

Brown-Banded cockroach: The Brown-Banded cockroach is often mistaken for the German cockroach because they share a similar body size and color/markings. They are generally ½ inch in size, brown, and have two horizontal “bands” across their bodies.