Risks
for Boxelder Bug
This is a low-risk insect. It is not known to spread any disease, and it does not bite or sting people apart from the occasional defensive nip rather than a true bite. Source: https://npic.orst.edu/pest/boxelder.html A second authority confirms the disease point: none of these fall invaders transmits illness. Source: https://www.canr.msu.edu/news/boxelder_bugs_asian_lady_beetles_and_cluster_flies_oh_boy A separate extension report likewise records only rare, exceptional bites of a person. Source: https://extension.colostate.edu/resource/boxelder-bugs/ The cost is cosmetic, not medical: the bugs do no structural harm, though their droppings can stain light surfaces such as walls and draperies. Source: https://npic.orst.edu/pest/boxelder.html