What is the difference between a roach and a waterbug?
Both are roaches Discussion: What the average person calls waterbugs are German Cockroaches (Blattella germanica(Linnaeus), however the proper waterbug is the American Cockroach. The American Cockroach is also known as the, Waterbug, Flying Waterbug, in Florida and other Gulf Coast Regions as the Palmetto Bug. The American Cockroach may grow to 1 inches or more in length, while the German Cockroach averages to 5/8 inch long.