The most common Cockroaches you will find in SE Queensland is the German Cockroach, the Australian Cockroach, the American Cockroach and the Smoky Brown Cockroach. The German Cockroach is a very small Cockroach found living mostly in the kitchen. The American and Australian are the large Cockroaches that often live outside in Sheds, Garages and inside the garden. The Smoky Brown Cockroach is larger than the German, but not quite as large as the American or Australian.
The small Black House Ant and the Coastal Brown Ant are the more common types you will find in SE Queensland. The Black House Ant is a sugar-eating ant that is often found within the kitchen and outside, feeding off the sweet sap from plants and trees. The Coastal Brown is a fat-eating larger brown ant that is found mostly on outdoor paving, around the barbecue area.
The two most prolific rats found in the home in Brisbane and surrounds is the Roof Rat, and the Norwegian Rat. The Roof Rat is a dark, smaller rat that is an exceptional climber. They can be further identified by their longer tail, larger bulging eyes, pointy nose and unusually larger ears. The Norwegian Rat however has a larger body with a shorter tail, smaller ears and eyes with a shorter blunt nose.
Spiders are generally divided into two categories, Webbing Spiders and Ground Dwelling Spiders. Webbing spiders are more of a nuisance with their unsightly webs. The Redback spider is a venomous spider that forms a messy web, often at low level underneath outdoor benches, table and chairs. The Huntsman is the non-venomous scary looking ground-dwelling spider that lives inside sheds, garages and within the garden