If you come across a small, tan spider in your home, don’t be fooled by its innocuous appearance. This spider, known as the tan spider or yellow sac spider, may look harmless, but its bite can cause serious harm.

These spiders are most commonly found in California, but have also been spotted in other parts of the United States. They are attracted to warm, dry environments and often make their homes in cracks and corners of buildings.

Unlike many spiders, the tan spider is active at night and is often found crawling on walls or ceilings. They are also known to hide in clothing or shoes, which can lead to accidental bites.

The venom of the tan spider can cause a range of symptoms, including pain, redness, and swelling at the site of the bite. In some cases, the venom can cause more serious reactions, such as nausea, dizziness, and even necrosis, which is the death of skin tissue.

If you suspect you have been bitten by a tan spider, seek medical attention immediately. While antivenom is available, it must be administered quickly to be effective.

To prevent tan spiders from entering your home, make sure to keep windows and doors tightly sealed and repair any cracks or gaps in your home’s foundation or walls. You can also try using insecticide to deter spiders from entering your home.

While the tan spider may appear harmless, it is important to take precautions to prevent bites and seek medical attention if necessary. Don’t let these small, tan spiders invade your home and potentially cause harm to you or your family.