As autumn weather settles in, seeing hundreds of ladybugs gathering on exterior walls, window screens, and inside living areas is a common experience for homeowners. While these small, spotted beetles are celebrated in gardens during the spring and summer, fall swarms inside residential homes quickly become an annoying nuisance.

Ladybugs, often considered a symbol of good luck, are small, colorful beetles that most people find charming. However, their role in pest...