Looking for effective ways to reduce fly populations in kitchens, basements, and outdoor spaces? This guide highlights trusted products designed to target common fly problems, from drain flies to fruit flies to cluster flies. Each option offers a different approach—drain-focused foam, light-trap technology, plant-based formulas, or space foggers—so you can choose the method that fits your space and safety preferences. Below, you’ll find five top picks with quick reference details to help you compare at a glance.
| Product | ||
|---|---|---|
| TERRO Drain Insect Killer | Foam drain treatment | Drain flies, fruit flies, roaches |
| ZEVO 2 Flying Insect Traps | Plug-in light trap | House flies, gnats, fruit flies |
| STEM Bug Spray | Plant-based spray | Ants, roaches, flies |
| BASF Pro-Control Plus 2 Insect Fogger | Aerosol fogger | Wide pest spectrum |
| Ortho Home Defense Area Fogger | Outdoor/indoor fogger | Mosquitoes, flies, wasps |
Terro Drain Insect Killer Foam Treatment

Terro’s drain-focused foam targets the life cycle of drain flies, fruit flies, house flies, and roaches by filling sanitary lines with foam that expands to coat surfaces. The extension tube enables precise placement, helping treat problem drains without over-saturation in living areas. Use as directed, allowing the foam to dissipate fully before the area is used again. This approach is well-suited for kitchens and bathrooms where drain fly activity is most evident.
ZEVO 2 Flying Insect Traps

ZEVO 2 Flying Insect Traps use blue and UV light to attract house flies, fruit flies, and gnats. The traps operate continuously to catch nighttime and daytime activity, providing a mess-free disposal system with an adhesive backing that captures bugs without needing to touch them. This option is ideal for kitchens, pantries, or rooms where wiring for zappers is impractical and users prefer a discreet, maintenance-light solution.
STEM Kills Ants, Roaches And Flies

This plant-based, botanical insecticide targets ants, roaches, and flies with an entrée of natural extracts. It’s designed for indoor and outdoor use with a focus on a fresh scent and no added dye or harsh odors. It’s suitable for homes with pets and kids when used as directed, making it a family-friendly option for controlling common crawling and flying pests around living spaces.
BASF PT Pro-Control Plus 2 Insect Fogger

This total-release formula fogger provides quick knockdown and kill for a broad spectrum of pests, including cockroaches, flies, spiders, ticks, and wasps. It’s designed for both residential and commercial spaces, with versatility for use in food-handling areas, restaurants, and animal housing. The fogger format supports broad-area treatment, helping to manage infestations in larger or multi-room settings.
Ortho Home Defense Backyard Fogger

This 16-ounce area fogger is designed for yard and outdoor use to target mosquitoes and a range of flying insects, including flies, wasps, hornets, and stink bugs. It provides coverage for up to approximately 2,250 square feet and is positioned for outdoor spaces such as patios, decks, and garden areas, helping reduce daytime and evening insect activity around the home.
Buying Guide: Key Factors When Choosing a Fly Control Solution
Choosing the right fly control method depends on space, pest type, and safety preferences. Here are several considerations to help you compare options and select the most appropriate solution.
- Target pests: Determine whether you’re dealing with drain flies, fruit flies, flying insects, or a general pest mix. Some products are drain-focused, while others target airborne populations or multiple species.
- Area and space: Indoor, bathroom, or kitchen areas may benefit from foam drains or plug-in traps. Outdoor spaces may require foggers or barrier treatments for larger coverage.
- Safety profile: Plant-based formulas and attractant traps offer lower chemical exposure, while foggers provide rapid knockdown in larger spaces. Always follow label directions for pets and children.
- Maintenance and disposal: Traps with adhesive backing provide mess-free capture; foggers require ventilation and door/window sealing. Consider how easy it is to monitor and replace consumables.
- Duration of effect: Some products offer immediate knockdown, while others reduce reproduction over time. Assess whether you need quick results or ongoing control.
- Indoor/outdoor use: Confirm whether a product is suitable for indoor spaces, outdoor patios, or both. Some foggers are formulated for both, but usage guidelines may differ by environment.
In summary, the best choice depends on your specific fly problem and the environment you’re treating. Drain-focused foam from Terro is a targeted option for drain-associated flies, while ZEVO offers continuous traps for indoor capture. STEM provides a safe, botanical approach for mixed indoor-outdoor use, BASF’s fogger targets a broad pest range quickly, and Ortho’s outdoor fogger focuses on yard-wide control for a wide range of flying insects.