Pest Control Articles & Tips
Practical guides, prevention tips and information about the most common pests in Montreal. Protect your home with our expert articles.
Which Cockroach Do You Have? Identify the Species Before Treating
"I saw a cockroach" tells you almost nothing. Depending on the species, the insect came from your kitchen, the sewers or the woodpile outside — and in one case out of five, there is nothing to treat at all.
Mouse and Rat Poison: Why It Often Makes the Problem Worse
Poison works: the mouse eventually dies. The problem is where — and what happens next. The delay is built in by design, and it is exactly what sends the animal off to die inside the wall.
Scratching Noises in the Wall: How to Tell Which Animal You're Hearing
A scratching sound in the wall is not always a mouse. The time you hear it, where it comes from and the kind of sound are usually enough to tell — and a wrong diagnosis is costly, sometimes even in the eyes of the law.
Restaurants and Food Businesses: What the Inspector Looks For, and What a Pest Really Costs
In a home, a few cockroaches are a nuisance. In a food establishment, they are a documented non-compliance — and the conviction that can follow stays public far longer than the fine hurts.
Bed Bugs: How Long Does It Take to Get Rid of Them?
A bed bug treatment does not produce a result the same evening, and that is normal. Here is the real timeline, day by day, and the three factors that separate three weeks from three months.
Fall Invaders: Why Insects Come Indoors in September and October
Every September, the same calls: "there are spiders everywhere" and "dozens of flies stuck to the attic window." Here is what is actually happening outside, which visitors deserve no treatment at all, and why the window for action closes at the first frost.
Fleas at Home: Why They Keep Appearing After Treatment
Seeing fleas three days after a treatment is not a failure: it is the cocoon. That stage resists insecticides and releases adults for weeks — and the entire treatment logic follows from it.
Our Treatment Methods, Pest by Pest — and Why We Chose Them
A pest control method is judged as much by what it cannot do as by what it does. Here, for each pest, is the technique we use, the reason behind it, and the limit we do not hide.
Pest Infestation: A Landlord's Rights Regarding the Tenant, and What to Do
Treatment is your responsibility — but you have the right to enter, inspect and require the tenant's cooperation. Here are the notice periods, permitted hours, and what to do when access is refused.
Pests in a Rental: Your Rights as a Tenant, and When You Can Pay and Get Reimbursed
Extermination is the landlord's duty — a public order obligation no lease clause can override. And if it is urgent and they fail to act, the Civil Code lets you have the work done and claim reimbursement. Under precise conditions.
The Cockroach Life Cycle: Why Their Biology Makes DIY Extermination a Losing Game
You are not losing to an insect, you are losing to a calendar. Each stage of the German cockroach life cycle neutralises a different method — and the tool that breaks the cycle is not sold to the public.
How Mice Get Into Your Home: The 12 Openings Nobody Checks
If a pencil fits, a mouse fits. Here are the twelve openings mice use to get into a Montreal home, from the foundation drain to the soffit — and why expanding foam solves nothing.
Store-Bought Insecticides: Why They Make the Problem Worse
The problem with over-the-counter insecticides is not just that they work poorly. It is that they make the next treatment harder, longer and more expensive — and expose your family for nothing.
Why Choose 514 Extermination in Montreal: Our Proof, Not Our Promises
Anyone can write "Montreal's best exterminator" on a website. Here instead is what you can verify before you even call us: our permit numbers, our guarantee including its exclusions, and our method step by step.
Bed Bug Extermination Cost in Montreal: What Changes the Price
No serious exterminator gives a firm price over the phone, and there is a good reason for that. Here are the seven factors that actually determine the bill, and how to compare two quotes without getting burned.
Cockroaches in Apartments: Why They Always Come Back and How to Break the Cycle
You treat, things calm down for three weeks, then they return. That is not a product failure: it is almost always a perimeter problem. Here is why, and how to end it.
Bed Bugs: Why Home Remedies Almost Always Fail
Most of the long, expensive cases we handle started with two months of DIY attempts. Here, method by method, is what actually works, what merely scatters the colony, and why.
Bed Bugs in Montreal: The Hardest-Hit Neighbourhoods According to City Data
The City of Montreal publishes every declared bed bug extermination on its territory. That data draws a precise map of the problem — and reveals an obligation few landlords know about.
Rats in Montreal: Why Complaints Jumped 70% — and What to Do at Home
Rat complaints rose 70% in two years in Montreal. Behind the numbers, three concrete causes — and a reality few property owners grasp: the City cannot solve this for you.
Ant Prevention: The Complete Guide to Keep Your Quebec Home Ant-Free
Ants are one of Quebec's most stubborn pests — and carpenter ants can damage your home's structure. Here's how to keep them out before they settle in.
Exterior Preventive Treatment: The Perimeter Barrier That Protects Your Home All Year
The best infestation is the one that never happens. Exterior preventive treatment creates a protective barrier around your home and stops pests before they get in. Here's how it works, when to apply it, and why it pays off.
The Different Types of Flies in Quebec: How to Identify and Get Rid of Them
Not all flies are alike — and more importantly, they aren't treated the same way. Here's how to recognize the 7 most common flies in Quebec homes and the right method to eliminate each one.
Pest Management in Quebec Condos: The Complete Guide for Boards, Owners and Managers
Bed bugs in a triplex, mice in a condo tower, cockroaches travelling through plumbing risers: pest management in a condo is a unique challenge. Here's how to handle it in 2026, with Law 16 and the maintenance log.
Hantavirus & Rodents: Why a Mouse Infestation Is a Real Health Risk
The MV Hondius hantavirus outbreak is a reminder of a real Quebec health risk: mice can transmit this deadly virus. Symptoms, prevention, and right reflexes.
Exterminator in Greater Montreal: Complete Area Guide (Laval, Terrebonne, Repentigny, South Shore)
Bed bugs, mice, rats, cockroaches or wasps -- each area of Greater Montreal has its specifics. Find out where, when, and why pests strike, and how our team responds within 4 hours across the island, Laval, Terrebonne, Repentigny, and the South Shore.
Wasp Nest in Montreal: Identify, Eliminate and Prevent
Each spring, wasps found new colonies in Montreal. An ignored nest can shelter up to 5,000 individuals by summer. Here's everything you need to know to act safely.
Mice in the Walls: 7 Unmistakable Signs
Scratching noises at night, unexplained odors, mysterious droppings... Here's how to confirm mice in your walls and act quickly.
Raccoon in the Attic: What Should You Do?
A raccoon in your attic is a serious problem requiring professional intervention and compliance with Quebec regulations.
Bed Bug Bites: How to Recognize and Treat Them?
Bed bug bites are often confused with other insect bites. Learn to identify them and discover the best treatments.
How to Prevent Pest Infestations in Winter in Montreal?
Montreal winters drive pests to seek shelter in your home. Here's how to protect your house before the cold sets in.
What Are the Dangers of a Rat Infestation?
Rats are far more than a nuisance: dangerous diseases, property damage, and fire risks. Learn why acting quickly is essential.
Carpenter Ants: What Damage Do They Cause to Your Home?
Silent but destructive, carpenter ants can compromise your home's structure. Discover the signs and solutions.
Are Cockroaches Dangerous to Your Health?
Cockroaches aren't just disgusting -- they pose a real risk to your health. Bacteria, allergens, asthma -- discover all the dangers.
How to Know If You Have Bed Bugs? The 7 Signs
Bed bugs are experts at hiding. Here are the 7 unmistakable signs to detect their presence in your home.
What Diseases Can Mice Transmit to Humans?
Mice are more than a nuisance -- they can transmit serious diseases. Learn the risks and how to protect your family.
Need help with a pest?
Our experts are available to advise you and respond quickly across the greater Montreal area.