Are Box Elder Bugs Dangerous? Boxelder bugs are mostly a nuisance pest. These bugs can bite. Their mouthpieces are designed to break through the skin of a fruit and are capable of piercing human skin, but they don't generally care to bite humans.
Then, what causes boxelder bugs in the house?
Boxelder bugs are nuisance pests. They do not sting or transmit disease, and are generally not known to bite, though there are rare reports of defensive biting. Boxelder bugs are not known to cause damage to homes or significant damage to plants. However, their feces can stain light colored surfaces.
What are box elder bugs attracted to?
They are rarely found on male boxelder trees. Boxelder bugs may also feed on maple or ash trees. Boxelder bugs like warm areas and are attracted to buildings with a large southern or western exposure.