The American Cockroach

The American cockroach (Periplaneta americana) can measure up to 40 mm when fully grown and is a very common insect in Quebec. It’s brown and sports a light-coloured patch on its thorax. Like others of its kind, the American cockroach seeks out a warm and humid environment. However, it can still survive in a dry environment. It’s one of the fastest insects in the world. It might therefore go unnoticed for some time, hiding from glances and—above all—from the light.

The lifestyle of the American cockroach


A home with an ambient temperature of about 25 °C is a welcoming environment for the American cockroach to settle. It usually finds shelter in damp basements, crawl spaces, cracks, and crevices.


The American cockroach is omnivorous and feasts on any edible product. It feeds on cheese, food residue, and meat. But it also consumes paper packages, plastic, and even leather.


When the female is fertilized, she produces a 9-to-12-mm egg pod or capsule in her abdomen. She then finds a sheltered area to lay her egg capsule until the baby American cockroaches are born. The pupae reach maturity after about two years.

Blatte américaine - Exterminateur Coquerelle - American Cockroach exterminator

The risks associated with American cockroaches

The texture of its body promotes the transport of pathogens, which are easily deposited on the surfaces with which the cockroach comes into contact. Bacteria, parasites, and fungi can also be found in the droppings that American cockroach leaves on food or workspaces. Consuming contaminated food could cause intestinal diseases such as diarrhea, typhoid fever, and cholera. American cockroaches are also responsible for allergies and breathing problems for people who are exposed to them frequently or over a long period. Our qualified experts will help you get rid of an infestation of American cockroaches and the inconveniences that they cause.

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