Black Flag Spider and Scorpion Killer 16 oz Aerosol - Fast Kill

In this review of Black Flag Spider and Scorpion Killer, the bottom line is simple: this aerosol is for homeowners or renters who need a fast, targeted way to stop spiders and scorpions where they see them. The formula is designed to kill on contact, and the targeted spray can be used up to 5 ft away, making it useful for treating webs, egg sacs, and visible pests without close contact. If quick knockdown of black widow, brown recluse, wolf spiders or scorpions is the priority, this product delivers a practical solution.

Key Features

• Kills on contact: Paralyzes and kills spiders fast so you see results within seconds of a direct spray.
• Controls spiders and scorpions: Specifically noted to work on black widow, brown recluse, wolf spiders and scorpions, including newly hatched black widows.
• Targeted spray: The applicator lets you spray from up to 5 ft away for safer distance when treating visible pests or webs.
• Indoor or outdoor use: Suitable for treating spider webs, egg sacs and individual insects around foundations, entryways and indoor corners.
• Long residual effect: Users report effects that last months after application when applied to typical harborage areas.

Who It's For

This product is best for people who encounter visible spiders or scorpions and want immediate knockdown with a convenient aerosol can. It suits homeowners with garages, sheds, patios or basements where venomous species like black widow or brown recluse may appear, and for renters who need a temporary but effective solution without professional services.

It is less appropriate for broad perimeter pest management where broadcast treatments or professional insecticide programs are needed, or for users who prefer non-chemical methods only. Also, those expecting a perfect spray nozzle may be disappointed, as some customers report mixed performance with the actuator.

Pros & Cons

Pros

• Fast knockdown on contact for spiders and scorpions, giving immediate visible results.
• Works on a range of species including black widow, brown recluse and wolf spiders.
• Targeted spray reaches up to 5 ft, which helps treat webs and egg sacs without getting too close.
• Reported residual activity that can last months after application in treated areas.

Cons

• Spray nozzle gets mixed reviews; a few users find the actuator poor or difficult to use.
• As an aerosol, it addresses visible pests best and is not a substitute for comprehensive perimeter control when infestations are widespread.

Specifications

Product Name	Black Flag Spider and Scorpion Killer 16 oz Aerosol
Net Weight	16 oz per can
Application Type	Targeted aerosol spray
Effective Range	Up to 5 ft
Target Pests	Spiders (including black widow, brown recluse, wolf spiders) and scorpions
Use Locations	Indoor and outdoor
Pack Size	12 pack

Our Verdict

Black Flag Spider and Scorpion Killer is a solid choice for anyone needing quick, targeted control of visible spiders and scorpions. Its fast knockdown, ability to reach webs and egg sacs from a distance, and reported lasting effect make it good value for spot treatments, though those seeking full perimeter programs should consider complementary measures.

Frequently Asked Questions

Can I use this indoors?
Yes, the label specifies indoor or outdoor use; apply in well-ventilated areas and follow safety directions.

How far can I spray?
The product offers a targeted spray effective from up to 5 ft away for treating webs, egg sacs and visible pests.

Will it kill black widows?
Yes, the formula is described as killing black widow spiders, including newly hatched individuals.