Which type of roach is characterized by having a brown or black pronotum?

The smokey brown roach is identified by its distinct brown or black pronotum, which is a shield-like structure that covers the thorax. This characteristic coloration is a key identification feature for this species. The smokey brown roach usually exhibits a uniform dark brown body, and the pronotum blends seamlessly with the overall color of the roach, adding to its unique appearance.

In contrast, the other species mentioned have their own distinguishing features. The German roach typically has a lighter pronotum with two longitudinal dark stripes, the American roach has a reddish-brown color with a lighter pronotum, and the Oriental roach features a more glossy, dark appearance but its pronotum is still distinguishable from that of the smokey brown roach. Understanding these differences is crucial for effective identification and pest control management strategies.