The red and black bugs showing up in Barrie homes are almost always Boxelder bugs (harmless but a nuisance) or, much more rarely, Kissing bugs (can bite and carry disease). Both invade in fall while looking for warmth. Seal cracks, install tight window and door screens, keep your yard clear of leaves and debris, and vacuum any bugs you find indoors. If the problem returns every season, a professional inspection is the fastest way to close off entry points for good. Full identification guide, prevention steps, and removal methods below.
Red and black bugs are a common sight in Barrie, especially during certain seasons. These insects can be more than just a nuisance. Understanding what they are and how to handle them is essential for homeowners. In this guide, we’ll cover the different types of red and black bugs found locally, why they invade Barrie homes, and practical steps to prevent and control infestations.
What Are Red and Black Bugs?
Red and black bugs are often confused with other pests, but the two most common types found in Barrie are Boxelder bugs and Kissing bugs. Neither is common cause for panic, but they call for different responses.
| Trait | Boxelder Bugs | Kissing Bugs |
|---|---|---|
| Appearance | Black body with red/orange markings on wings | Dark brown or black with red-orange stripes on the abdomen edge |
| Size | ~12 mm | 16 to 20 mm |
| Bite humans? | No | Yes, typically near the mouth or eyes at night |
| Health risk | None (may stain surfaces, emit odor) | Can transmit Chagas disease (rare in Ontario) |
| How common in Barrie | Very common, especially fall | Rare |
Boxelder Bugs
Boxelder bugs are usually black with red markings on their bodies. They’re commonly found in the fall, when they seek warmth inside homes. These bugs feed on boxelder, maple, and ash trees, but when they invade homes, they can leave stains and odors behind.
Kissing Bugs
Kissing bugs are another type of red and black bug occasionally found in Ontario, though they’re rare. They get their name from their tendency to bite humans near the mouth or eyes while they sleep. According to the CDC, kissing bugs can carry the parasite that causes Chagas disease, though confirmed local transmission in Canada is uncommon. If you find a bug matching this description, avoid handling it with bare hands and contact a pest control professional for identification.
Why Are Red and Black Bugs in Your Home?
These bugs usually invade homes during the colder months, seeking shelter from dropping outside temperatures. They typically enter through cracks, gaps around window and door frames, or other small openings in the exterior of your home. Homes near boxelder, maple, or ash trees see higher activity, since Boxelder bugs feed and breed on these trees before moving indoors for winter.
While Boxelder bugs are mostly a nuisance, here’s what to keep in mind for each:
- Boxelder bugs enter homes, often in large numbers, to escape the cold. According to University of Minnesota Extension entomologists, they do not reproduce indoors and die off naturally once the weather warms, but large numbers can still stain walls, curtains, and furniture with their waste.
- Kissing bugs, although rare in this region, can bite and, in rare cases, transmit disease. Any suspected sighting is worth a professional identification.
How to Prevent Red and Black Bugs from Invading Your Home
Preventing an infestation requires a few consistent steps. These proactive measures keep your home free from pests and reduce the odds of a repeat problem next fall.
Seal Entry Points
The first step in prevention is sealing any cracks or gaps in your windows, doors, and foundation. Use caulk or weatherstripping to close up openings so bugs can’t get inside in the first place.
Maintain Your Yard
These bugs often enter homes from outside, so keeping your yard clean matters. Remove fallen leaves, branches, and debris near your home, and consider the distance between boxelder/maple trees and your foundation if you’re seeing repeat activity each fall.
Install Screens
Make sure all windows and doors have tight-fitting screens with no tears or gaps. This keeps Boxelder bugs and other seasonal pests out when windows are open.
Book Regular Pest Control Inspections
A professional inspection identifies entry points and hiding spots before they turn into a full seasonal invasion. Regular inspections keep your home protected year-round. Learn more about our pest control services in Barrie here.
How to Get Rid of Red and Black Bugs
If you already have a red and black bug problem in your home, act quickly with these methods:
- Vacuum them up. If you see Boxelder bugs indoors, vacuum them rather than squishing them. Empty the vacuum bag or canister right away so they can’t escape and re-enter your living space.
- Use insecticidal soap or spray. This is a safe, effective way to kill pests on contact. Use it on visible bugs or in areas where they’re known to hide, and always follow the manufacturer’s instructions.
- Call a professional pest control service. For a long-term fix, a licensed technician can treat your home for Boxelder bugs, inspect for Kissing bugs, and address any other pests, so your property stays protected through the next season.
Why You Need Professional Help
While DIY methods can help in the short term, professional pest control offers the most reliable protection against red and black bugs. Here’s why:
- Expert identification. A technician can quickly confirm whether you’re dealing with harmless Boxelder bugs or something that needs closer attention, like Kissing bugs.
- Long-term prevention. Professionals seal and treat entry points so the same bugs don’t return every fall.
- Peace of mind. With expert treatment, you know your home is protected without relying on guesswork.
If you’re struggling with red and black bugs in Barrie, don’t wait for the problem to grow. Contact Barrie Pest Control for a full inspection and a treatment plan built around your property.
Red and Black Bug Control Across Simcoe County and the GTA
We provide seasonal pest inspection and removal throughout Barrie and the surrounding region, including Orillia, Innisfil, Wasaga Beach, Bradford, New Market, and Vaughan. If you’re dealing with other seasonal invaders alongside Boxelder bugs, check our guides on ant control and wasp and hornet removal.
FAQs: Red and Black Bugs in Barrie
Are Boxelder bugs harmful? Boxelder bugs are not harmful to humans or pets. They do not bite or sting, but they can be a nuisance, leaving stains on walls and furniture and emitting an unpleasant odor when disturbed or crushed.
How do I permanently get rid of Boxelder bugs? Seal all entry points, remove leaf and debris piles near your foundation, and book a professional treatment. Regular inspections in late summer, before they start seeking shelter, prevent most fall invasions.
What are these red and black bugs around my house? They’re most likely Boxelder bugs or, less commonly, Kissing bugs. Boxelder bugs are far more common in Barrie and are generally harmless, while Kissing bugs are rare but worth a professional look if you suspect one.
Why shouldn’t you squish Boxelder bugs? Squishing them releases a foul-smelling odor and can leave stains on walls or furniture. Vacuum them instead, or contact a pest control professional for safe removal.
How can I prevent red and black bugs from entering my home? Seal cracks, gaps, and openings around windows, doors, and your foundation. Keep your yard clear of leaves and debris, and install tight-fitting screens on all windows and doors.
Do Kissing bugs live in Ontario? They’re rare in this region compared to warmer climates, but sightings do occur. If you find a bug matching the description, avoid contact with bare skin and have it identified by a pest control professional rather than assuming it’s a Boxelder bug.