How big are the roaches in tropical areas?

The well-known Madagascar hissing cockroach can exceed lengths of 7 cm. Rhinoceros cockroaches can exceed lengths of 8 cm. The largest cockroach ever, according to Guinness World Records, is a specimen of Megaloblatta longipennis, and measures 9.7... read more

How to Identify American Cockroaches Latin Name. Periplaneta americana. Appearance. Length: Adults can be slightly more than 50 mm (3 inches) long. Color: Adult American cockroaches are reddish brown or mahogany colored. The area behind their heads is outlined with a yellow band. Reproduction. Female American cockroaches make protective cases for their eggs. read more

The tropical region is the original home of many of the world's cockroaches. Among the most common are the brownbanded roach, the oriental roach, the Madeira roach, the brown roach, and the American roach. These tropical cockroaches have been transported around the world in cargo containers. For many years, cockroaches have traveled by ships. read more