Boxelder Bugs in Northern Utah
What Are Boxelder Bugs?
Boxelder bugs are black and red insects that feed on boxelder, maple, and ash trees. They become a serious nuisance in fall when they congregate on south-facing walls by the thousands seeking warmth.
Signs of Boxelder Bugs Activity
- Large clusters on south walls in fall
- Insects entering through gaps around windows and doors
- Orange-red staining on surfaces
- Live bugs inside home in winter
Are Boxelder Bugs Dangerous?
Not dangerous to humans or pets. Their feces can stain surfaces and fabrics. Indoor infestations are a significant nuisance.
How Mountain West Pest Treats Boxelder Bugs
Exterior perimeter treatment in late summer (before clustering begins) is the most effective approach. Interior treatment for active indoor infestations.
See our General Pest Control →Found boxelder bugs in your home?
Call Mountain West Pest for same-week service.