Australian Cockroach Facts and Information

Australian Cockroach

Who knew that cockroaches could be Australian? These critters have a lot of characteristics that make them unique from other roaches, some of which may surprise you! Keep reading to learn more about these fascinating insects.

The Australian Cockroach is a species of cockroach that is native to Australia. It is one of the most common cockroaches in the world, and it is also one of the largest, with some individuals reaching lengths of up to 0.25 inches. The Australian Cockroach is dark brown in color, and it has a distinct yellow stripe running down its back. This stripe is usually most pronounced in adults. 

NameAustralian Cockroach
Height0.25 in
Weight0.105 g
Diet Omnivores 
ColorDark Brown

Australian Cockroaches are generally omnivorous, but they have been known to eat sweet things like fruit and honey. They are also attracted to anything that is greasy or oily. Australian Cockroaches are generally not considered to be harmful pests, but they can be a nuisance if they invade homes or businesses.

Fun Facts of Australian Cockroach

  1. Australian cockroaches can fly!
  2. Nymphs have no wings, so they’re easy to control
  3. Males and females look almost identical, so you’ll know what you’re getting
  4. Live up to 18 months, so they’re a long-term investment
  5. Australian cockroaches are some of the best flyers in the world, making them difficult to get rid of.
  6. Nymphs, or baby cockroaches, have no wings and are mostly harmless.
  7. Adult males and females look very similar and cannot be easily distinguished from one another.

How to Identify Australian Cockroaches

As anyone who has had the misfortune of encountering one can attest, cockroaches are not the most pleasant of creatures. These pests are notorious for their hardiness and their ability to quickly multiply, making them a difficult problem to control.

Australian Cockroach

While there are many different species of cockroach, the Australian cockroach is one of the most common. Here are some tips on how to identify this particular type of roach;

  1. The Australian cockroach is a species, often reaching lengths of up to 0.25 in. 
  2. They are dark brown in color, with a yellow or light brown band running across their backs. 
  3. One distinguishing feature of the Australian cockroach is the small white patches on their wings. 
  4. These pests are also known for their love of warm, humid environments – so if you live in an area with a tropical climate, you’re more likely to encounter them.

Where to Find Australian Cockroach

As any entomologist will tell you, cockroaches are not particular about where they live. They’re known to infest both homes and businesses, and can even be found in some of the most unlikely places – like hospitals and laboratories. However, there are a few cockroach species that prefer to live outdoors. One of these is the Australian cockroach.

Australian cockroaches are most commonly found in the southern United States, where the climate is warm and humid. They’re not tolerant of cold weather, so they typically stick to areas that receive plenty of sunlight. These roaches are often seen around gardens and yards, as well as in parks and other outdoor spaces. If you live in an area where Australian cockroaches are common, be sure to take steps to prevent them from entering your home.

What do Australian Cockroaches Eat?

Mostly dead and decaying leaves, trees, and other plants. What don’t they eat? Almost anything else, including the odd film of grease on tables or floors. They’re drawn to kitchens for the crumbs that inevitably accumulate there. If you have a cockroach problem in your home, chances are good it’s because these pests have found an easy food source.

Fortunately, there are steps you can take to keep them from setting up camp in your kitchen. Start by cleaning up any food spills immediately. 

  • Wipe down counters and tables after meals, and sweep or vacuum floors regularly. 
  • Store food in airtight containers, and keep garbage cans sealed tight.

 Taking these measures won’t eliminate all cockroaches from your home, but it will make it less inviting for them and help reduce their population.

Australian Cockroach vs American Cockroach

Australian cockroaches are often confused with American cockroaches because they live in many of the same environments and have similar physical features. American cockroaches are slightly larger, growing up to two inches in length, but both species have full-length wings and red-brown bodies. 

Even the markings on their pronota are almost identical. Australian cockroaches, however, can be distinguished from their American cousins by a few key features. First, Australian cockroaches have a narrower head and thorax, giving them a more streamlined appearance.

Additionally, Australian cockroaches lack the hairs that are found on the legs and antennae of American cockroaches. Finally, Australian cockroaches typically have lighter bands on their wings than American cockroaches. Although they may look alike at first glance, Australian and American cockroaches are actually quite different.


Australian cockroaches are a common pest found throughout the country. They can be identified by their reddish-brown color and wings that cover most of their body. Although they don’t pose any immediate danger to humans, they can contaminate food and spread bacteria. Cockroaches multiply quickly, so it’s important to take steps to get rid of them as soon as you notice an infestation. 

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