Understanding the Differences Between Common Cockroach Species in Australia

Cockroaches are a prevalent pest across Australia, including Perth. Identifying the specific species is crucial for effective pest management. This guide outlines the distinguishing features of the most common cockroach species found in Australian homes and businesses.

🪳 German Cockroach (Blattella germanica)

German Cockroach

• Size: 12–16 m

• Colour: Light brown with two dark parallel stripes on the pronotum (area behind the head

• Habitat: Prefers warm, humid environments; commonly found in kitchens and bathroom

• Behaviour: Highly reproductive; often found in large groups near heat sources like water heaters

  
  

🪳 American Cockroach (Periplaneta americana)

American Cockroach

• Size: 35–40 m

• Colour:  Reddish-brown with a yellow border around the pronotum

• Habitat:  Favours warm, moist areas; often found in basements, sewers, and commercial buildings

• Behaviour: Can fly in warm conditions; known to travel for food

  
  

🪳 Brown-Banded Cockroach (Supella longipalpa)

Brown-Banded Cockroach

• Size: 11–14.5mm

• Colour: Light brown with distinctive tan bands across wings and abdomen

• Habitat: Prefers warm, dry environments; often found in upper cabinets and behind picture frames

• Behaviour: Less dependent on moisture; females have underdeveloped wings and cannot fly

  
  

🪳 Oriental Cockroach (Blatta orientalis)

Oriental Cockroach

• Size: Males: ~25 mm; Females: ~3 mm

• Colour: Shiny black to dark reddish-brown

• Habitat: Prefers cool, damp areas; commonly found in basements and drains

• Behaviour: Males have short wings; females are wingless; both cannot fly

  
  

🪳 Native Australian Cockroaches

Type of Native Australian Cockroach

• Species: Over 400 native species, including the Giant Burrowing Cockroach (Macropanesthia rhinoceos)

• Size: Varies; the Giant Burrowing Cockroach can reach up to 65 mm in length

• Habitat: Primarily found in bushland and natural environments

• Behaviou:  Most native species are harmless and play a role in the ecosystem by breaking down organic matter

  
  

🛡️ Need Professional Pest Contol?

If you're dealing with a cockroach infestation in the Perth area, Tritan Pest Management offers comprehensive Integrated Pest Management solutions tailored to your needs. Our experienced team can identify the specific cockroach species and implement effective control measures to ensure your home or business remains pest free.

Contact Tritan Pest Management today for a consultation and take the first step towards a cockroach-free environment.