Boxelder Bug

Natural Habitat

Found primarily on boxelder trees, as well as maple and ash trees; often seek shelter in houses during winter.

Diet & Feeding

Feed on the juices of boxelder seeds, leaves, and occasionally other soft plant parts using piercing-sucking mouthparts.

Behavior Patterns

Diurnal insects that congregate in large numbers on sunny, warm surfaces in the fall before seeking overwintering sites in cracks and crevices.

Risks & Benefits

Generally considered a nuisance pest rather than a danger; they do not bite or sting but can stain fabrics with their excrement and emit a foul odor if crushed.

Identified on: 12/26/2025