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Spiders
Less Toxic Home & Garden Spiders are beneficial creatures. Because they feed on large quantities of insects, they should be tolerated as much as possible in the home and garden. Spiders are not insects. They are classified as "arachnids" and have eight legs. Insects have six legs.
Penn State Fact Sheet
Spiders Spiders, along with daddy longlegs, ticks, mites, and scorpions, belong to the class Arachnida. They are beneficial animals that feed on all sorts of arthropods, including insects. About 3,000 species of spiders are found in the United States.
Virginia Tech Fact Sheet
Spiders Common household pest in the fall when they are looking for a warm place for winter; found around doors, windows, house plants, basements and garages.