--> Insects to watch out for in summer in Quebec



Summer is a season enjoyed by everyone, synonymous with sunny days and time spent outdoors. However, it is also the period when certain insects become more active, which can pose various inconveniences. In Quebec, several types of insects can invade our homes and gardens, causing discomfort and sometimes health problems. This article aims to inform you about the main insects to watch out for during the summer, while offering practical advice on managing them effectively without creating unnecessary panic.



Insects to watch out for



Mosquitoes are undoubtedly the most annoying insects of summer. In Quebec, several species can be found, including the common mosquito and the tiger mosquito. Although mosquito bites are often benign, they can cause itching and, in rare cases, transmit diseases such as West Nile virus. If you want to learn more about these viruses, you can visit the Government of Canada’s website.

  • Common problems: bites, itching, disease transmission.
  • Preventive solutions:
    • Use skin repellents containing DEET or icaridin. To learn more about DEET and its potential health effects, visit this site.
    • Install mosquito nets on windows and around beds.
    • Eliminate stagnant water around your home, as it is a breeding ground for mosquitoes.



Ants are common in summer and can cause problems both inside and outside our homes. Among the most common are carpenter ants, known for damaging wooden structures, and paving ants, which can invade our kitchens.

  • Common problems: structural damage, domestic invasions.
  • Preventive solutions:
    • Seal all cracks and openings through which ants can enter.
    • Keep food tightly sealed and clean kitchen surfaces regularly.
    • Treat ant nests outside with specific baits or borax.


Wasps and Bees

Wasps and bees play an important role in our ecosystem, particularly through pollination. However, their stings can be painful and bothersome, especially for allergic individuals. Wasps, in particular, can become aggressive when they feel threatened.

  • Common problems: stings, allergic reactions, nests near homes.
  • Preventive solutions:
    • Identify and manage nests as soon as possible, calling in professionals if necessary.
    • Avoid leaving sugary foods outside that can attract wasps.
    • Take precautions during outdoor activities, such as checking drinks before consuming.



Spiders, although often feared, are generally harmless and help control insect populations. In Quebec, spiders such as the wolf spider and the cellar spider can be found. However, their presence indoors can be a source of concern for some.

  • Common problems: bites, phobias, domestic invasions.
  • Preventive solutions:
    • Clean regularly to remove webs and discourage their installation.
    • Seal cracks and openings to prevent entry.
    • Use natural repellents such as peppermint or lavender essential oils.



Ticks are becoming increasingly concerning due to the diseases they can transmit, particularly Lyme disease. They are often found in wooded and grassy areas and can latch onto humans and pets.

  • Common problems: risk of diseases (e.g., Lyme disease).
  • Preventive solutions:
    • Wear long clothing and use repellents during outdoor activities.
    • Check your body and your pets after being in risky areas.
    • Landscape your yard to reduce tick habitats, such as tall grass and dense bushes.


Asian lady beetles

Asian lady beetles, while pretty to look at, can become invasive when they seek shelter in homes as winter approaches. They are distinguished by their numerous variations in color and patterns.

  • Common problems: domestic invasions, damage to crops.
  • Preventive solutions:
    • Seal potential entry points around windows, doors, and roofs.
    • Use vacuums to remove them without crushing, as they can leave yellow, foul-smelling stains.


General prevention tips

Maintaining a clean and well-kept home is essential to prevent insect invasions. Using natural and environmentally friendly solutions allows you to manage insects without harming your family and pets. In summer, staying vigilant about insects while fully enjoying the season is possible with the right knowledge and precautions. It is important to know when to call professionals. If you notice a significant infestation or if preventive methods are not enough, extermination experts are here to help.

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