Why Spiders Enter Homes in Canada? Spiders enter homes mainly because they are searching for food, warmth, and safe hiding places. Many houses offer these conditions without homeowners realizing it. Small insects like flies, ants, and moths attract spiders because they serve as a natural food source. When insects are present in large numbers, spiders often follow and build webs nearby. https://decobry.com/trusted-spiders-control-canada-for-safe-pest-free-homes/