This species is 31-37 in size, closely resembles the American cockroach but is more dark and has a bright band on the frontal part of its wings. The thorax has a remarkable bright cross-band. Australian cockroaches produce egg parcels, containing 30-50 eggs. These egg parcels are often deposited on stems, underneath ridges or on walls, always on places with a rough structure.
Hostplants australian cockraoch:
May survive on a full vegetarian diet and often occurs in botanical gardens. In higher densities considerabble damage may occur due to plant, root, leaf and flower feeding behaviour of the cockroaches.