German Cockroach 

The German cockroach is one of the most important insect pests in the urban environment throughout the United States.  Adults are ½  to 5/8 of an inch long and though they have wings that cover their entire abdomen, they do not fly. They are tan to brown with to dark stripes that run lengthwise on the thorax just behind the head.

American Cockroach

Oriental Cockroach

The American cockroach is the largest of the domestic species in the United States.  Adults may be 1 to more the 1 ½ inches long.  They are brown to reddish-brown and have wings covering their entire abdomen. Males are territorial and are strong fliers.

The Oriental Cockroach is shiny black or very dark brown.  Adult males are about 1 inch long, while the female can reach 1 ¼ inches. The female has small wings, while the male's wings are longer, covering about 50-75% of the abdomen. Oriental roaches do not fly.