When Not To Treat
for Boxelder Bug
Skip insecticides in most cases. Once bugs are inside, sweep or vacuum rather than spray, and don't bother with broad outdoor spraying or cutting down boxelder trees, neither of which manages them effectively. Source: https://extension.umn.edu/nuisance-insects/boxelder-bugs Because the insect is harmless, a few on a wall or the stray one indoors need only tolerance or a vacuum. Source: https://npic.orst.edu/pest/boxelder.html