Cockroaches are insects belonging to the Order Blattodea. They represent a primitive and highly successful group of animals, whose origins extend back at least 300 million years.

Typically, infestations of cockroaches develop in and around buildings, and other structures that provide food, shelter, and often the preferred conditions of temperature and humidity. A commercial kitchen may support hundreds or even thousands of cockroaches.

Cockroaches may be carried from place to place as live individuals or as egg cases, in foods and food packaging, luggage, furniture, buses, trains, ships, and aeroplanes.

Common Species

German Cockroaches (Blatella germanica)

Pest Control Cockroach

  • Notorious for their world-wide distribution.
  • German cockroaches are easily identifiable by 2 dark longitudinal stripes on their pronotum.
  • Adults grow to approximately 12 – 15mm in length.

  • Most commonly found indoors.
  • Prefers wet, humid conditions.
  • Typically found in kitchens, and bathrooms in homes, and commercial properties.

Smokey Brown Cockroaches (Periplaneta fuliginosa)

Pest Control Cockroach

  • 3-35 mm mm long.
  • Shining dark brown in colour.
  • Wings longer than the body in male; only just overlap abdomen in female.
  • Runs.

  • Lives in tree hollows, under bark, under floors, and enters buildings at night.
  • Nocturnal (hides during the day in cracks and crevices or any other dark warm places).
  • Has a habit of entering houses and contaminating food with excrement, regurgitated salivary fluid and potentially harmful bacteria.

Oriental Cockroaches (Blatta orientalis)

Pest Control Oriental Cockroach

  • Dark brown or black in colour.
  • 20 -25mm long.
  • The wings undeveloped in female.

  • Highly adapted for surviving in the natural environment, Oriental cockroaches thrive in cool, damp areas such as basements, drains and openings beneath porches.
  • Known for their preference for feeding on garbage and decay, these insects can most commonly be found in rubbish tips and leaf litters.
  • Runs rather than flies

Australian Cockroaches (Periplaneta australasiae)

Pest Control Cockroach

  • Females deposit the ootheca (egg case) containing 24 eggs a day after production.
  • After hatching, nymphs take 6-12 months to develop into adults.

  • Enter buildings at night from gardens/debris.
  • Generally prevalent in areas where winters are relatively mild.
  • Despite its name, it isn’t a native species.

American Cockroaches (Periplaneta americana)

Pest Control Cockroach

  • Shining red–brown in color.
  • Wings longer than the body in male; only just overlap abdomen in female.
  • Runs (may fly at very high temperatures).

 Also known as the ‘Palmetto bug’ because they live on trees, the American cockroach prefers dark, humid, and undisturbed areas and can be found in subfloors, basements, kitchens, roof voids, and bathrooms of homes.

Cockroach Control

Effective control of cockroaches often relies on a knowledge of their foraging and breeding habits. Many homeowners attempt to use a ‘do it yourself’ cockroach control remedy with the results often doing very little, or nothing at all.

Small problems such as the odd one or two cockroach in the kitchen can develop into larger numbers.

Treatments must be targeted to your specific cockroach species in order to solve the problem, whilst ensuring the safety of your family, and pets. A thorough knowledge of cockroach behaviour and biology is essential.

Pest Control Cockroaches

Pest Control Ant prevention

Cockroach Prevention

Once the cockroach infestation has been treated, preventative methods can be implemented to stop them from coming back.

One particularly important prevention method is maintaining a high level of cleanliness and hygiene.

All areas indoors should be free of food crumbs and liquid spills. Common surfaces that are often covered with crumbs and other liquids, include kitchen benches, shelves and drawers, floors, tables, chairs and so on. Food utensils should be washed up soon after use, and not left in the sink for long periods.

Outdoor areas should be free of food sources such as bird seed, dog food, left-over party food etc.

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