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Common House Pests in Canada: What You Need to Know

Nobody wants to share their home with unwanted guests, especially when those guests are actually intruders. From bed bugs to cockroaches, Canada has its fair share of common household pests. These unwelcome intruders can cause anything from minor inconveniences to significant health risks. In this blog post, we’ll explore seven of the most common house pests in Canada and the problems they pose.

Bed Bugs

First on the list are bed bugs. These tiny, parasitic insects are unfortunately prevalent in Canada. Bed bugs are one of the worst common house pests bugs, as they feed on human blood, usually at night, and hide in sofas, mattresses, electrical outlets, and baseboards. Although their bites are generally harmless, bed bug infestations can understandably lead to distress, causing stress, anxiety, and sleepless nights.


Ants are very common household pests and like to invade particularly during spring and summer. They can infiltrate our homes through the tiniest cracks and are typically drawn to food sources. While most ants in Canada are not harmful, some can spread disease, such as the Pharaoh ant. Carpenter ants can damage your home by destroying wood and chewing through insulation.


Cockroaches, particularly the German cockroach, are unwelcome visitors to Canadian homes. These common house pests feed on various substances, from food to glue, leather, soap, and fabric. Although they do not bite, cockroaches can contaminate your food


Mice are a dreaded presence for many homeowners due to their destructive tendencies. In Ontario, house mice are the most common house pest. Mice can contaminate food, transmit viruses and disease, and cause structural damage to your home by gnawing at cables and wood.


Raccoons are common scavengers across Canada. They can be seen rummaging through garbage, and if provoked, may become aggressive. Raccoons may even attempt to live in your home or shed. They can also transmit rabies.


Earwigs have a distinctive appearance with elongated, flat bodies and long antennae with claw-like appendages at the back. These common household bugs aren’t harmful to humans, but infestations can still be stressful and irritating. They are commonly found in damp or cool areas and tend to enter homes in search of shelter.


With around 500 species of wasps in Canada, these insects are some of the most common and irritating household pests. Wasps such as yellow jackets, hornets, mud daubers, and paper wasps may be attracted to your home in search of food, especially sweet substances, and other insects. They can build nests around your property, which can contain thousands of wasps.

These are just a few of the common house pests in Canada. To protect your home from unwanted intruders, implementing effective prevention measures is essential. By taking steps to keep your living space clean and secure, you can reduce the risk of pest infections and ensure your home remains a pest-free haven! To be safe, when you notice signs of an infestation, don’t hesitate to reach out to a trusted pest control professional.