Prevention
for Boxelder Bug
The durable fix is to keep the bugs out, not kill them. Repair torn screens, add door sweeps, seal gaps where wires, pipes, vents, and faucets pass through walls, and on masonry caulk any opening about an eighth of an inch or wider. Source: https://extension.umn.edu/nuisance-insects/boxelder-bugs Finish this work before the fall migration — sealing entry points by early September heads off the invasion. Source: https://extension.unh.edu/resource/boxelder-bug-fact-sheet