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The most obvious sign of a spider infestation is seeing numerous spiders in one area. Other indicators include spider webs, an abundance of flying insects (which attract spiders), and the presence of spider egg sacs. If you notice hundreds of tiny spiderlings, it's a sign that eggs have hatched. Proactive prevention and regular inspections are essential to keep your home spider-free.

The duration of spider extermination depends on the treatment method and the size of the affected area. Localized treatments may require you to air out your home for several hours before it's safe to return inside, and fumigation treatments can take several days. Your extermination professional can provide an exact timeline based on your specific situation.

While a spider extermination treatment can last a few months, it's recommended to schedule routine treatments about four times per year (once each quarter) with a spider extermination pro to keep your home spider-free. An extermination professional can advise on the optimal frequency based on your home’s location and the season.

To deter spider infestations, seal entry points and maintain excellent insect control. Spiders are attracted to places with abundant prey. Natural repellents can offer additional protection. Scents like mint and chestnut oil disrupt spiders' navigation and, when applied around doorways and windows, can reduce the likelihood of spiders settling inside. These repellents, along with treatments and recommendations from a professional exterminator, can provide long-lasting results.