Bug Identifier
Boxelder Bug
Community identification

Boxelder Bug

Boisea trivittata

Order & Family
Hemiptera, Rhopalidae
Size
Approximately 11-14 mm (0.43-0.55 inches) in length.
See this bug in the Encyclopedia

Natural Habitat

Commonly found on and around box elder trees (Acer negundo), as well as maple and ash trees. They often seek shelter in homes and buildings during cooler months.

Diet & Feeding

Primarily feeds on the sap and seeds of box elder trees. They may also feed on ash and maple trees.

Behavior Patterns

Boxelder bugs are known for congregating in large numbers, especially during the fall as they look for overwintering sites. They are attracted to warm, sunny surfaces and can become a nuisance when they enter homes. They are generally active during the day.

Risks & Benefits

Potential risks include being a nuisance pest when they enter homes in large numbers. They do not bite or sting but can stain indoor surfaces with their fecal droppings. They are not known to be significant agricultural pests and generally pose no direct threats to humans or pets. They have no significant benefits to the ecosystem.