The answer to 'spider odor' is that a strong, unpleasant smell coming from spiders is usually caused by a buildup of spider silk and debris. This can happen when there is a large spider infestation in your home. The odor is typically described as a musty, stale, or ammonia-like smell. It's often most noticeable in areas where spiders have been nesting or in dark, undisturbed corners.
The best way to get rid of the spider odor is to thoroughly clean and remove any spider webs, egg sacs, or other spider debris from your home. This may require vacuuming, wiping down surfaces, and properly disposing of any spider remains. You can also try using natural essential oils like peppermint or citrus to help mask the smell. However, if the infestation is severe or the odor persists, it's best to call in a professional pest control technician to properly identify and eliminate the spider problem.