What is the common name mistakenly applied to certain large, dark cockroaches due to their preference for damp environments?

Answer

Water bug

The term 'water bug' is often casually misapplied in many parts of the United States to large, dark cockroaches, such as the Oriental Cockroach, because these insects seek out moist areas like drains and basements.

What is the common name mistakenly applied to certain large, dark cockroaches due to their preference for damp environments?
fooddietinsectwaterbug