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How to Identify and Get Rid of Australian Cockroaches

Protect your home or business from Australian cockroaches by learning techniques for identification and control.

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Periplaneta australasiae
Reddish brown to dark brown
Yellow markings
1.25 to 1.5 inch wings


How do I get rid of Australian cockroaches?

What You Can Do

Habitat removal where these pests live is an effective way to help reduce their populations.

What Orkin Does

If needed, insecticide may be helpful to control Australian cockroaches. Your local Orkin Pro is educated in the safe use and application of any chemicals and is trained to help manage Australian cockroaches and similar pests. Since every building or home is different, your Orkin Pro will design a unique cockroach treatment program for your situation.

Orkin can provide the right solution to keep Australian cockroaches in their place…out of your home, or business.

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Frequently Asked Questions

Behavior, Diet & Habits

Understanding Australian Cockroaches


  • Color: They are reddish-brown to dark brown with yellow markings on the top of their head and the front edge of each wing.

  • Size: They are slightly smaller than American cockroaches. Their wings are about 1 1/4 to 1 1/2 inches long.

  • Characteristics: They are also known as shad roaches. Their wings extend over the abdomen.


They feed primarily on plant material, but inside the home they will feed on starchy materials.


Australian cockroaches are most commonly found in yards. They live primarily outdoors, but can also be found indoors. They prefer to live under moist and sheltered areas such as:

  • Drains

  • Greenhouses

  • Piles of firewood

  • Sinks

  • Toilets

  • Tree bark

  • Water pipes

Geographic Range

These cockroaches are widespread throughout Florida and other coastal states in the Southeast. They are also known as shad roaches.

Life Cycle

Their life cycle includes eggs, five nymph stages, and the adult stage. In total, it takes about one year for complete development.

Female Australian cockroaches carry their eggs in cases, and a healthy female will produce about 20-30 egg cases during her lifetime. Each egg case contains about 25 eggs.

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