The Oriental Cockroach is dark in color, often appearing quite glossy and dark brown or black. These relatively large cockroaches are significant house pests. Both males and females can typically grow to over an inch in length, and will both possess large wings, although neither gender will use them to fly. Oriental Cockroach nymphs will take much longer than other species to develop up to a year, but will remain the same color through to adulthood. They live in a variety of places indoors, but can also be seen walking outdoors on sidewalks on warm nights. The Oriental Cockroach will enter homes through sewage and plumbing systems.