Parasteatoda tepidariorum
Color: Brown, tan, or gray with darker markings
Size: Adults are typically 0.2 - 0.35 inches in body length
Shape: Small, rounded body with long, slender legs
American house spiders also know as common house spider are small, common spiders known for their web-building abilities. They are often found in homes, creating messy, tangled webs in corners, basements, and garages. These spiders are also known as common house spiders.
American house spiders live in a variety of indoor and outdoor environments. Inside homes, they are found in basements, attics, garages, and other undisturbed areas. Outdoors, they build webs under eaves, in sheds, and around windows.
American house spiders eat small insects and other arthropods. Their diet includes flies, mosquitoes, ants, and other bugs that get caught in their webs. They use their silk to wrap and immobilize their prey before eating.
American house spiders are known for their web-building skills. They spin messy, tangled webs to catch prey. These spiders are not aggressive and usually stay hidden in their webs, waiting for insects to get trapped. They are often found hanging upside down in their webs.
The female American house spider lays eggs in a silken sac, which she attaches to her web. Each egg sac can contain dozens of eggs. The spiderlings hatch and stay near the egg sac for a short time before dispersing to build their own webs.
American house spiders are beneficial predators that help control insect populations. To manage their presence, regularly clean and remove webs in your home. Sealing cracks and gaps can also prevent them from entering. Relocating spiders to outdoor areas can help keep them out of living spaces.
American house spiders are not harmful to humans. They rarely bite, and their venom is not dangerous to humans. These spiders can be beneficial by reducing the number of pest insects in homes. Their presence can help control flies, mosquitoes, and other unwanted bugs. Keeping your home clean and sealed can help manage their population while allowing them to contribute to a healthier environment.
We treat your home or office as if it were our own!