There are several ways to kill black widows, including:

• Vinegar: Vinegars acidity can burn a spiders body on contact, making it a black widow killer. Mixing vinegar with water and spraying it down in areas where black widows are present can be effective.

• Insecticides and Pesticides: Chemical insecticides to kill black widows come in dusting or liquid options. Dusts are good for places humans won’t disturb, such as basements, crawl spaces, and window sills. Liquids are well suited to other areas, including known webs. Insecticides will kill any present spiders and prevent new ones.

• Pyrethrin Aerosol Spray: This spray is used for killing black widow spiders on contact and flushing them out of hiding places.

• Spider Traps: Spider traps are usually glue boards that work by catching black widows on the sticky surface. Once captured, the spider cannot free themselves and can be disposed of easily.

It is important to protect yourself from a black widow bite when treating for black widows. They can deliver a strong venom that causes serious symptoms including intense pain. The best way to eliminate black widows is to prevent them before they become a problem. To keep black widow spiders away, it is recommended to eliminate other pest problems immediately, limit outdoor lighting, and seal large cracks and crevices that black widows can crawl through.