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Giant House Spider

Actual Size: 1.8-3 inches

Characteristics: Giant house spiders vary in color between orange, gray-brown, and dark brown. They typically have three dots on each side of their sternum and another six dots on their posterior. Giant house spiders also have conspicuously hairy abdomen and legs.


  • The giant house spider spins messy, funnel-shaped webs
  • They prefer to live in dark, undisturbed areas, typically in corners or behind objects
  • Giant house spiders are prolific breeders, producing egg sacs that can have between 40 and 60 eggs in a single sac
  • Although giant house spiders have venom, it products mild effects on humans
  • Giant house spiders will not bite unless provoked. They prefer to escape when threatened




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Pest Description

Giant House Spider Behavior

Giant house spiders and all other spiders are arachnids, not insects, contrary to popular belief. They prey on insects such as fruit flies, blowflies, and wasps using a combination of binding and toxic venom. They’re commonly found in sheds, barns, fences, and dark corners of homes.

The giant house spider is fast. With speeds at about 1 mph, it is considered the fastest spider in the world.

Giant House Spider Bite

Giant house spiders are venomous, but they’re not harmful to humans. In fact, this spider species isn’t aggressive. They actually prefer to escape danger. However, if they do bite you, the pain is minimal–similar to a bee sting.

Preventing Problems Caused by Giant House Spiders

Despite the fact that they rarely bite humans, giant house spiders can still be unsettling. Their webs are more of an issue than their bite. In an ideal world, spiders would be beneficial outdoors, and non-existent indoors. Keeping your home and property clean and free of clutter is a great way to help prevent giant house spiders. Outdoors, you should maintain your landscaping and seal any cracks and crevices using a silicone-based caulk.

Controlling and Eliminating Giant House Spiders

Although giant house spiders are common and unharmful, you shouldn’t have to share a home with them. Whether you’re looking for help protecting your home against giant house spiders, or already have an infestation, you should contact a licensed pest control company.

Comprehensive spider service includes three steps: Inspection, Treatment, and Follow-up. A thorough inspection should always be completed to determine sources of infestation, possible entry points, and the identification of the spider itself. There are various methods of treatment for spider infestations, including treatments of the baseboards, windows, and doors, and foundation structures. Treatment will reduce populations outside, and eliminate populations inside.

A good pest control professional will always provide follow-up after treatment, ensuring a successful elimination of the infestation. Continual treatments are also recommended to ensure a building is spider-free. At Pest Control Inc., our pest control experts resolve spider issues using a variety of different treatment techniques including surveillance, removal, dust, and liquid applications.


Call us at (702) 385-1269


or click the button, and we’ll call you back in minutes!