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German cockroach extermination

/ Preparation Guidelines (What to do before treatment)
  • Empty and clean the kitchen cupboards, the pantry and the toilet cabinets. Place everything in the center of a room and cover with a sheet or plastic bags.
  • Move the refrigerator and stove and clean behind.
  • Clean the kitchen and remove any trace of food on equipment, walls, floor, counter, etc.
  • Pull furniture away from the walls.
  • Prepare to leave your apartment with your pets for 1 hour.

  • / Treatment
    We will treat all cracks and crevices with boric acid powder. Boric acid is very effective and safe when properly applied and has a long residual effect. In addition we might install glue traps to monitor insect activity. We sometimes use insecticide roach bait for different situations. In cases of severe infestation, a follow up will be needed and scheduled three weeks after the initial treatment.

    / Introduction
    The German cockroach is by far the most important and common cockroaches found in houses, apartments, supermarkets, food plants and restaurants. It has a great adaptability and enormous reproductive potential. It is worldwide in distribution. Anyone could find cockroaches at home because they are often introduced by packaging of food we bring back home. It would be bad luck. An infestation however is caused by poor sanitation or conducive human behavior.

    / Identification
    Nymphs: 2-12mm
    Adults: 13-16mm
    Ootheca (egg capsule): 6-9mm
    Adult Color: light brown to yellow with the exception of two black stripes on pronotal shield Adults have wings.

    / Signs of infestation
  • Feces or other secretions (grains or brown spots)
  • Cockroaches or egg capsules
  • The musty odor in a severe infestation
  • Exuviae (empty skin left behind after molting)
  • Cockroaches are nocturnal so if you see them in daytime, there is probably a major infestation or they are under stress such as scarcity of food or the use of repellent products.

  • / Biology

  • A single mating can be sufficient to fertilize all eggs produced by a female.
  • The female will lay about 5 egg capsules in her lifetime.
  • The female carries the egg case attached to her abdomen for about 28 days and deposits it in a crack 24 to 48 hours before hatching.
  • At room temperature, the female produces an egg case about every six weeks.

  • Ootheca:
  • The ootheca is a capsule containing the eggs of the cockroach.
  • Brown or beige but usually in two tones.
  • The ootheca contains about 30-40 eggs.

  • Lifecycle
  • From egg to adult: Approximately 103 days. Lab conditions: 50-60 days (27 ° C, 40% RH).
  • 6 nymphal stages before becoming adults.
  • Once hatched, the cockroach reaches maturity in about 60 days.
  • The adult lives in general for 100 to 200 days.

  • / Habits
  • Cockroaches have a preference for the warm (over 21 ° C) and humid places.
  • They are mainly found in kitchens and bathrooms. Water is essential to their survival.
  • The cracks and crevices near a source of food or water are preferred hiding places.
  • Cockroaches eat almost anything with nutritive value including even soap, glue, toothpaste, hair, etc.
  • They are most often introduced into buildings through packaging or products purchased in grocery stores or used equipment such as refrigerator, TV, microwave oven, etc.
  • They sometimes move from one apartment to another to satisfy their basic needs or in response to the application of a repellent.
  • They spend about 75% of their time in hiding spots.
  • Cockroaches are mainly nocturnal.

  • / Prevention
  • Inspect the packaging and plastic bags you bring back home.
  • Avoid introducing furniture or supply if you are unsure of their presence.
  • Repair water leaks or excessive moisture.
  • Seal cracks and crevices and avoid cluttering.
  • Do not leave dirty dishes lying around or food.
  • Degrease the walls, cabinets and appliances occasionally.
  • Use sticky traps to detect the presence of cockroaches.
  • Avoid repellents when their presence is confirmed.

  • / Health Risks
  • Besides being a nuisance because they tend to visit garbage cans, sewers and other places full of diseases, germs attach to the body of the cockroach and can be spread to food, surfaces and cooking gear with whom they come into contact. These include bacteria: Salmonella, Shigella, E. coli, Streptococcus (pneumonia), several helminths (parasitic worms), and even viruses such as polio. Cockroaches can also transmit various forms of gastroenteritis (food poisoning, dysentery, diarrhea and other diseases)
  • Their feces and exuviae cause allergies and respiratory problems.
  • Repeated exposure to insecticides if multiple treatments.
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