Learn how to effectively use Black Flag Flying Insect Killer Aerosol to eliminate flying insects quickly and safely. Simple steps for best results.
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Flying Insect Killer Aerosol by Black Flag

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Using Black Flag Flying Insect Killer safely and effectively is simple when you follow these steps. Read all safety instructions on the can before using.
Preparation Before Spraying
Spraying Insects Directly
Treating a Room for Flying Insects
After Use and Clean-Up
Important Safety Tips
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Call now for same-day, eco-friendly pest control
With over 20 years of experience, Anchor Pest offers personalized, chemical-safe treatments for homes and businesses across Manchester and surrounding counties
Flying Insect Killer Aerosol by Black Flag is a pressurized spray can designed specifically to kill insects that fly, such as flies, mosquitoes, gnats, and houseflies, inside and around your home. It contains chemicals that instantly knock down and kill these flying bugs when sprayed directly on them or into the air where they are present. The product is made for quick, visible results, helping you deal with common pest infestations in kitchens, living rooms, garages, and other indoor spaces.
The aerosol is basically a can filled with a mixture of powerful insect-killing substances dissolved in a liquid that turns into a fine mist when you press the nozzle. This mist floats through the air and comes into contact with insects, targeting their nervous systems and causing almost immediate death. The pressure inside the can helps the spray reach insects even if they are moving or trying to escape. Along with insecticides, the formula may include perfumes or deodorants to mask the scent of chemicals.
Most Black Flag flying insect aerosols use synthetic versions of natural chemicals called pyrethroids. These are designed to disrupt the nervous system of insects but are less harmful to humans and pets when used properly. Some cans may include additives for a pleasant smell or substances that keep the spray suspended in the air for longer, increasing the chance of contact with flying insects.
This product is ideal for use indoors where flying insects are a problem. It can also be used on covered patios, in garages, and sometimes for quick treatment just inside the entryways of homes. It is formulated to work quickly, so you do not have to wait long to see results. Since it's convenient and easy to direct at specific targets, it's especially useful against isolated or sudden appearances of flying bugs.
The chemicals in Flying Insect Killer Aerosol are strong enough to quickly kill flies, mosquitoes, and similar pests, but they are typically not designed for continuous or uncontrolled use because inhaling large amounts or repeated exposure can be unsafe for humans and pets. The can is pressurized, so it should be kept away from heat or puncture. Although the active ingredients break down fairly quickly, it's important to avoid spraying directly onto food, people, pets, or into areas with aquariums or exposed water as it can be harmful to aquatic life.
The main purpose is to provide an immediate solution for infestations of flying insects inside your home or in confined spaces where you need fast results. It is not a long-term preventive method; instead, it's meant for spot treatment or emergency situations when flying pests are present. For ongoing control, other methods such as traps, screens, or preventive maintenance may be necessary.
Our certified technicians eliminate pests infestations completely and permanently. 
Here's what you get:
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Trained experts identify entry points and nesting areas
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Pet and family-friendly methods used
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Targets entire colony, not just visible insects or rodents
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Long-term exclusion strategies
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Proper cleanup and sanitization
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Service warranty and follow-up visits
Complete property assessment within 24 hours
Safe, effective treatment of entire colony
Long-term exclusion and monitoring
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