Occasional invaders
Boxelder bugs: identification & boxelder bug control
Boxelder bugs gather on warm walls in fall and overwinter in wall voids. Control is a timed exterior treatment before they enter, plus sealing of siding and window gaps.
How to identify boxelder bugs
- What it looks like
- Flat black bugs with three bright red-orange lines on the thorax and red wing edges.
- Size
- 1/2 inch
- Where you'll find it
- Sunny south and west walls, boxelder and maple trees, wall voids and attics.
- Commonly confused with
- Milkweed bugs are similar but have an X pattern and stay on milkweed.
Signs of boxelder bugs in your home
- Masses of bugs on siding in autumn
- Bugs at windows on warm winter days
- Reddish stain marks on curtains
Boxelder bugs questions homeowners ask
Do boxelder bugs bite or damage the house?
No, they are nuisance pests, but their fecal spots stain fabric and siding.
Boxelder bug control by city
Local technicians handle boxelder bugs in every market below — pick your city for neighborhood coverage, seasonal notes and a free quote.
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