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Box Elder Bug Control

Box Elder Bugs.
Keep Them Outside.

Box elder bugs are harmless but invade Ontario homes in large numbers every fall. XtermaPro prevents the overwintering invasion and handles existing infestations.

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Identification

A Common Fall Invader

Box elder bugs are black and red-orange insects about 12mm long, easily recognizable by their distinct colouring. They feed on the seeds of box elder (Manitoba maple), ash, and maple trees through summer, then in fall seek sheltered spots to overwinter often choosing the warm south or west-facing walls of houses. They enter through any available crack or gap.

Signs of Infestation

Signs of box elder bug activity:

  • Large numbers of black and red insects on sunny exterior walls in fall
  • Bugs entering through gaps in siding, windows, or doors
  • Indoor emergence in winter on warm days
  • Staining on walls or surfaces from their excrement
  • Bugs congregating in attic or wall voids
Health & Safety

Nuisance, Not Danger

Box elder bugs are harmless to humans and pets they don't bite, sting, or cause structural damage. However, they excrete a reddish liquid that can stain surfaces and fabrics, and large overwintering populations are a persistent nuisance throughout winter and spring.

Our Treatment

Fall Perimeter Treatment & Exclusion

The window for effective box elder bug treatment is in early fall before they've entered. We apply residual perimeter treatment to exterior walls and entry points, dramatically reducing the number that successfully overwinter inside. Entry point sealing is also key to long-term prevention.

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Why XtermaPro

What Sets Us Apart

Licensed & Certified

Fully licensed Ontario exterminators meeting every provincial pest control standard.

Same-Day Service

We respond fast. Same-day and emergency appointments available 24/7.

Unmarked Vehicles

Our vehicles are plain and unmarked your neighbours won't know a thing.

Service Guarantee

If the problem persists after treatment, we come back. That's our promise. Learn more →

Family & Pet Safe

Targeted treatments tough on pests and safe for your household.

No Hidden Fees

Transparent pricing always. We explain exactly what we're doing before we start.

FAQ

Common Questions

Different species similar behaviour. Both overwinter indoors and emerge in spring. Box elder bugs are black and red; stink bugs are brown and shield-shaped.

Yes homes with Manitoba maples (box elder trees) nearby have higher populations. Removing seed-bearing female trees helps long-term.

Vacuum them up and dispose of the bag. Do not crush them they can stain.

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