Pest Control Services in London

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London E7 8BE
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0207 112 8473
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Cockroach Control

Extermination & Control of Cockroaches

Cockroaches Basic

Cockroaches have six legs, wings, and antenna. They can run up to three miles an hour, and have been around since the dinosaurs. They range in size and color, and their shed skin contains allergens that can cause asthma. Below, we have focused on three of the most common cockroaches:

  • German cockroach
  • American cockroach
  • Brownbanded cockroach

    German Cockroach: Blattella germanica.

    German cockroaches are the most common cockroach found in the United States. The German cockroach is:

  • 12 to 17 mm (1/2 to 5/8 inch) long;
  • tan to light brown; and
  • has two dark brown stripes on the body region (pronotal shield) just behind the head.

    Females will produce four to eight egg capsules during their lifetime, with each capsule containing approximately 40 eggs. The egg capsule is retained by the female until the eggs are ready to hatch, usually in 28 to 30 days.

    German cockroaches are widespread and can be found in many indoor environments. Within these areas, the cockroaches prefer sites close to moisture and food, making them common pests in:

  • Kitchens.
  • Bathrooms.
  • Food-storage areas.

    American Cockroach: Periplaneta Americana.

    The American cockroach is one of the largest cockroaches in the Northeast.

  • It is about 40 mm (1.5 inches) long with a reddish-brown body.
  • The center portion of the pronotal shield is light brown, while the outer edges are yellow.

    The female American cockroach will not retain the egg capsule for more than a day after its formation, instead dropping the capsule in some suitable site. Under some conditions it may be glued to a surface. The number of capsules produced by a female will range from 6 to 14, with each capsule containing 14 to 16 eggs. The eggs hatch in 50 to 55 days.

    The American cockroach prefers dark, moist sites where it feeds on decaying organic matter. Such sites include:

  • Basements.
  • Kitchens.
  • Clothes hampers.
  • Drains.
  • Bathroom plumbing or sewers.

    Brownbanded Cockroach: Supella longipalpa.

    The brownbanded cockroach is:

  • 12 mm (1/2 inch) long;
  • light brown; and
  • has two lighter colored bands running across the body.

    These bands are located at the base of the wings and on the abdomen. The bands are much darker during the immature stages.

    The brownbanded female carries the egg capsule for 24 to 48 hours before gluing it to a surface. The capsule contains approximately 18 eggs that hatch in 50-74 days. An adult female produces about 18 egg capsules over a life-span of 10 months.

    The brownbanded cockroach requires less moisture than other cockroaches. It is more prevalent in homes, apartments, hotels and hospital rooms than in restaurants or stores. Evidence of this cockroach may be found:

  • Behind pictures.
  • In furniture.
  • The underside of chairs and tables.
  • In upper kitchen cabinets.
  • On the upper shelves of closets and pantries.
  • Bathroom plumbing or sewers.

    Why control Cockroaches?

    When foraging for food and water, Cockroaches can contaminate food, utensils, and preparation surfaces as they go. They taint food with an obnoxious smell and can be vectors of disease, capable of carrying the organisms which cause food poisoning in humans and many other bacteria.

    Cockroaches can ruin an organisation's reputation. If clients and customers spot evidence of cockroach infestation in the premises you manage, they are likely to complain and request a refund, report on your company negatively potentially resulting in closure by an Environmental Health officer, making it unlikely for some people to want to do business with you again.

    How to prevent Cockroaches

    Areas with food, water and dark spaces to hide are ideal environments for Cockroaches to live. Here few prevention tips for securing your property:

  • Don’t allow dirty dishes to accumulate in the sink and remain there overnight.
  • Check the critical area between the stove and cabinet where grease and food scraps often accumulate.
  • Keep food scraps in the refrigerator or in containers with tight-fitting lids.
  • Keep areas clean and tidy - Clean all surfaces thoroughly to remove any food residue. Try and not leave dirty dishes and utensils in the sink. Keep bins covered, clean, and emptied regularly. Areas such as top or beneath your refrigerator are warm and food collect their, attracting Cockroaches, so clean these areas regularly.
  • Proofing and Repair - seal gaps around doors, windows, and where utility lines enter to prevent entry. If possible, repair any leaks beneath the sink, and on the sink top, immediately, thus cutting a potential water source.

    How to get rid of Cockroaches

    Control of cockroaches is seldom easy because of the difficulty of getting the insecticide to the insect. The insecticide, ideally, should have sufficient persistence to kill the nymphs hatching later from un-hatched egg capsules.

    For any Cockroach infestation, we would always recommend contacting a professional pest control company. They are trained in cockroach control and will have access to a range of professional use insecticides which are not available to the public.

    Before you do anything please consider the following steps:

  • Hygiene - A thorough clean of the area should take place prior to the insecticidal treatment. Pay particular attention to removing food and water sources and hiding places.
  • Sticky traps - The use of sticky traps is not recommended for controlling cockroaches, but should be used for monitoring purposes only.
  • Insecticidal control - The success of the treatment depends on what insecticides are chosen, and how thorough the application is. Remember to pay particular attention to cracks and crevices where eggs and nymphs may be found.

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