The Q&A Archives: Black Widows

Question: What commercial off the shelf insecticide do you recommend to eradicate black widow spiders?

Answer: Bayer Advanced Home Indoor and Outdoor Insect Killer (cyfluthrin) and Ortho Home Defense Perimeter and Indoor Insect Killer (bifenthrin) are available in most stores and will control black widow spiders. Be sure to apply according to label directions.

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