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Boxelder Bugs control in Canada
Harmless overwintering bugs that mass on warm sunny walls.
Typical cost
$180–$400
Visits needed
1 seasonal treatment
Urgency
Low
How to identify it
Black bugs with red-orange markings, about 12 mm, congregating on south and west walls.
Signs of an infestation
- Large groups on siding in fall
- Bugs appearing indoors on warm winter days
Is it dangerous?
No health or structural risk; strictly a nuisance.
Can I handle this myself?
DIY may be reasonable
Vacuum indoor strays and rinse outdoor groups off siding.
When to call a professional
Call a professional for heavy annual masses or a fall preventive treatment.
Any pesticide used in Canada must be registered here and applied exactly as its label directs. We don't publish application instructions.
Typical professional treatment
Exterior perimeter treatment in early fall and sealing of entry gaps.
Visits: 1 seasonal treatment
How to keep them from coming back
- Seal window and door gaps
- Repair screens
- Consider removing nearby female boxelder trees
What boxelder bugs treatment costs
Typical treatment in your area
$180–$400
1 seasonal treatment
Severe infestations, multi-unit buildings or multi-visit protocols can cost more. Estimates are illustrative sample data.
Get an exact local quote