Roaches are black, brown, and reddish-brown ... There are many types of cockroaches, but the most common include the German, American, Oriental, Brown-banded, Smoky Brown, and Wood roaches.

You can also identify German cockroaches by their light tan color and the two side-by-side black lines that appear on their heads and backs. Not only can these cockroaches give you the creeps ...

Crack-and-crevice treatments were simulated in the presence and absence of German cockroach [Blattella germanica (L.)] feces to evaluate its effect on insecticide efficacy toward the German cockroach.