Sunday, May 3, 2015

How to tell differing types of cockroaches apart

Have you ever experienced a pest infestation in your home? 

If so, you know that the first step in effective pest control is to identify the culprit. However, this is often difficult for homeowners because they don’t have the knowledge and wherewithal to pinpoint the bug or rodent in question like pest professionals do. 

What makes it even more challenging is that the specific species should be identified, not just the pest, to determine the appropriate course of treatment – and they all vary in appearance and living habits.

Take, for example, cockroaches. There are more than 4,000 living species of roaches in the world. However, only a few of these cockroach species inhabit residential and commercial properties. The most common ones in the Thornleigh area are American, Australian, German and Oriental cockroaches.

Assess the size of the cockroach.

Australian cockroaches are the smallest of the common roaches and grow between 2cm – 3.5cm in length. German cockroaches vary in size 1.1 to 1.6 cm in length. Oriental cockroaches grow to be a little bigger, measuring about 1.8 to 2.9cm in length. American cockroaches are one the largest of the house-infesting roaches. They can grow to be about 4cm in length.

Pest Control Thornleigh
German Cockroaches

Look for different colors on the roach’s body.
Most cockroaches are oval in shape, but they all have slightly different body colors, which is an effective way to tell them apart from one another. For example, American cockroaches are reddish-brown with a yellowish figure-8 pattern on the back of their heads, while the Oriental cockroaches are brown and shorter. German cockroaches have light brown or tan bodies with two dark stripes. 

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Know the habits of cockroaches.
Cockroaches often enter homes in search of food and water, but each species prefers its own hiding spots. German cockroaches are drawn to warm, humid environments. They are frequently found in bathrooms and kitchens. 

American cockroaches, on the other hand, are common in larger commercial buildings such as restaurants, grocery stores, food processing plants and hospitals. These roaches are known to infest food storage and food preparation areas, as well as basements, yards and alleys.

Other cockroach species like oriental cockroaches can survive quite well outdoors, where they are found under debris, leaves, stones and porches. Inside, they tend to hide in crawl spaces, basements and around utility pipes. Brownbanded cockroaches show a preference for drier locations and warmer areas over 80 degrees. They prefer higher locations than most cockroach species and are often found in upper cabinets in kitchens and bathrooms.

Pest Control Thornleigh
American Cockroach

In the event of an infestation…
Contact a licensed pest professional. They will be able to help you access the situation, confirm the species and recommend a treatment plan to get rid of cockroaches or other pests.


For great rates on pest control anywhere in the Thornleigh.

Call us today on 1300 08 25 52
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