Australian Cockroach

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German Cockroach

What are the Different Types of Cockroaches in Australia?

You have probably read somewhere that there are over 3,500 species of cockroaches in Australia, right? Well that statistic is absolutely true. However, only a small handful of cockroach species are actually considered a pest. In fact, you can count the number on just one hand – three to be exact.

So, which of the three types of cockroaches are most common in Australia? To pique your curiosity they are the German, Australian and American cockroach. Each of these pesky critters have their own unique appearance, habits and lifecycle. By knowing how each type of cockroach looks and behaves, you can put in place preventative measures and have a better chance of fighting off an infestation.

Looking for reliable cockroach control service nearby in Sydney, call us @ 0405 692 535

Keep reading to find out what makes each type of cockroach in Australia unique:

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German cockroach :

What do they look like?

Starting with the German cockroach, adults have a distinct light brown or tan colour, and two long black stripes from the head down to the upper abdomen. On the other hand, the young German cockroach is nearly completely black, yet they still have the recognizable stripes too.

As the smallest cockroach on this list, they can grow to a length of 13-16 mm.


These pesky critters prefer to stay indoors where it’s warm.

Due to their small size the German cockroach can hide in very small spaces. These include tiny cracks and crevices found in the wall, drainage pipes, furniture, bags, and boxes. Furthermore, they have even been known to seek warmth in electronic devices after being used.

To access food and water, they may search nearby garbage bags, leftover unsealed food, kitchen cabinets, pantries, and underneath the sink.


Like most cockroaches, the German cockroach can breed in rapid numbers. Each egg case can have anywhere from 30 to 40 eggs and takes only 1-2 days to hatch. Once the egg hatches, it takes approximately 60 to 220 days for a nymph to become a full-grown adult.

Got a problem with German, American or Australian cockroaches in your home or business? Call Critter Busters today on 0405 692 535 for a free quote.

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