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What Attracts Spiders Into Homes? And How Residents Can Prevent Spiders From Setting Up Camp In A Home?


Many Arizona residents have learned from experience that warm spring weather tends to bring spiders of all sorts into homes. The reason for this trend is no mystery, as many people are aware that web-spinning spiders prey on flying insects, such as mosquitoes and common houseflies. Several flying insect species become abundant in urban and suburban areas come spring, and spiders naturally gravitate to areas where they can find food. In other words, as the flying insect population increases in residential areas, so do spider populations.

While spiders may be intimidating to look at, their mosquito, gnat and fly prey are far more dangerous to humans. For example, many common urban fly species, such as houseflies, are well known to spread numerous diseases to humans due to their filthy breeding and feeding habits. In addition to flies, urban mosquitoes have recently brought the west Nile virus into Maricopa County where the disease is now a permanent part of southern Arizona’s ecosystem. The last few years have seen urban mosquitoes in southern Arizona skyrocket in numbers, and this year many residents have reported finding mosquitoes within their home. Therefore, it should not be surprising to find an unusually high number of spiders within homes in the region. In fact, spiders perform a free pest control service by feeding on airborne fly pests around homes.

Luckily, very few spider species in southern Arizona are known for inflicting potentially dangerous bites. Only a small number of spider species in the region produce venom that can trigger severe allergic reactions. However, spiders can be a source of anxiety when they are frequently found within homes, and abundant indoor spider webs can become a nuisance. In order to prevent spiders from inhabiting a home, it is often necessary to first have a home inspected for insect pests that may be attracting spiders indoors. Spiders tend to remain in cluttered areas that are typically avoided by humans. Simply dusting curtains, ceiling fans, skylights, doorway entrances and areas behind furniture will help to keep spiders from becoming indoor pests.

Have you found any spiders within your home this summer?


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