German CockroachBlattella Germanica from South East Asia. 1-2cm in length. Adults are light brown colour with wings. Commonly found around appliances and cracks or crevices in kitchens.
Gisborne CockroachDrymaplaneta Semivitta native to Australia. AKA Wood Roach. 2-4.5cm long. Dark glossy brown with light bands down each side. Nymphs can be mistaken for German Roaches. Mostly found outdoors.
American CockroachPeriplaneta Americana from Africa and Middle East. 4cm in length. Red brown colour with wings as adult. Found around commercial kitchens, sub-floors, drains and grease traps.
