Adults are about one and one-half inches long, dark brown to reddish brown; the markings on the pronotum are pale brown. Wings cover the tip of the abdomen in both sexes.
Egg case is brown and contains about 24 eggs. Females can produce about 30 egg cases, but many are not viable. Egg cases often are partially covered with pieces of debris. Nymph development is about 263 days for females and 268 days for males. Adults live about eight months or up to 20 months, depending on environmental conditions.
Habits. This cockroach occurs primarily indoors, but also live outdoors around trees and in sewers.