Wasps can become a seasonal nuisance or a serious safety concern for outdoor spaces. Pyrethrin-based sprays offer fast knockdown and broad-spectrum control when used according to label directions. This guide highlights five highly relevant products, detailing how they target wasps, nests, and nearby areas while considering safety and coverage. Use sparingly and follow local regulations. The table below provides a quick snapshot of the featured items to help you compare options at a glance.
| Product | Brand | Form | Key Benefit |
|---|---|---|---|
| BASF PT 565 Plus XLO Pressurized Insecticide | BASF | Aerosol | Fast-acting pyrethrin with dual synergists for quick knockdown |
| Bonide Pyrethrin Garden Insect Spray Concentrate (8 oz) | Bonide | Concentrate | Ready-to-mix, fast acting for outdoor garden pests |
| BASF PT Ultracide Flea Insecticide with IGR | BASF | Aerosol | Immediate knockdown plus growth regulator for pests including fleas |
| Hot Shot Wasp & Hornet Killer Spray | HOT SHOT | Aerosol | Long jet spray to reach nests from a safe distance |
| Bonide Pyrethrin Garden Insect Spray Concentrate (16 oz) | Bonide | Concentrate | Biodegradable pyrethrin-based control for outdoors |
BASF PT 565 Plus XLO Pressurized Insecticide
Product name: BASF PT 565 Plus XLO Pressurized Insecticide – Pyrethrin Contact Spray – 14oz Aerosol Can. Brand: BASF. Features include contact kill with 0.5% pyrethrin and dual synergists for immediate knockdown, a 14-ounce professional aerosol format for targeted pest control, and a dual synergist formula with piperonyl butoxide and MGK-264 to boost pyrethrin efficacy. The formula offers enhanced stability to reduce insect resistance and is designed for crack & crevice treatment in hidden areas. This product is compatible with professional applicator equipment for precise coverage.
Bonide Pyrethrin Garden Insect Spray Concentrate (8 oz)
Product name: Bonide Pyrethrin Garden Insect Spray Concentrate, 8 oz Ready-to-Mix Fast Acting Insecticide for Outdoor Garden Use. Brand: Bonide. Features include effectiveness against aphids, beetles, webworms, leafhoppers, and other common garden insects; designed for use on vegetables, flowers, shrubs, and ornamentals; pyrethrin is derived from chrysanthemum flowers and is considered biodegradable; it kills insects by targeting their nervous systems.
BASF PT Ultracide Flea Insecticide with IGR
Product name: BASF PT Ultracide Flea Insecticide with IGR – Pyrethrin & Pyriproxyfen Spray – 14oz Aerosol – 7 Month Control. Brand: BASF. Features include a flea control system with pyriproxyfen (IGR) for lifecycle interruption, dual-action formula combining fast-acting pyrethrins with IGR to prevent flea development for months, and suitability for indoor and outdoor use on carpets, upholstery, pet bedding, and outdoor areas. The non-staining formula is appropriate for sensitive surfaces and fabrics.
Hot Shot Wasp & Hornet Killer Spray
Product name: Hot Shot Wasp & Hornet Killer Spray, 14 fl oz, 2-pack. Brand: HOT SHOT. Features include a kills-on-contact formula for wasps, hornets, yellow jackets, scorpions, mud daubers, and tent caterpillars; up to 27-foot jet spray for safe-distance treatment of nests; touted as non-staining on most home siding, with a caution to test on surfaces before extensive use. This option emphasizes reach and immediate nest disruption.
Bonide Pyrethrin Garden Insect Spray Concentrate (16 oz)
Product name: Bonide Pyrethrin Garden Insect Spray Concentrate, 16 oz Ready-to-Mix Fast Acting Insecticide for Outdoor Garden Use. Brand: Bonide. Features include fast control of aphids, beetles, webworms, leafhoppers and other yard insects; suitable for use on asparagus, beans, broccoli, peppers, spinach, tomatoes, dogwoods, azaleas, begonias, roses, geraniums, and ornamental trees and shrubs; pyrethrin is biodegradable and targets the nervous systems of insects.
BASF PT Wasp-Freeze Insecticide
Product name: BASF PT Wasp-Freeze Insecticide for Wasp, Hornet, Yellowjacket & Spider Killer. Brand: BASF. Features include instant knockdown with a reach up to 15 feet, flame projection greater than 18 inches, and notes on potential staining of some surfaces; residual activity helps prevent re-infestation. Suitable for indoor and outdoor nests, but users should observe surface compatibility and weather conditions when applying.
Clean Air Purge III Insecticide
Product name: Clean Air Purge III Insecticide 7.3 oz. Brand: Clean Air. Features include a metered pyrethrins-based formulation for flying insect control, effective against flies, mosquitoes, gnats, and small moths over a 30-day period, with no lingering insecticide odor after use. This option is suited for controlled indoor environments where odor and residue must be minimized.
Buying Guide: Key Purchase Considerations
- Target pests and use case: Identify whether you’re treating wasp nests directly, outdoor garden pests, or general indoor/outdoor environments. Some products offer rapid knockdown for nests, while others provide ongoing lifecycle control with growth regulators.
- Form and coverage: Aerosol sprays enable direct nest treatment and crack-and-crevice applications, while concentrates require dilution for broad outdoor use. Consider the space you’re treating and the preferred application method.
- Active ingredients and safety: Pyrethrins (derived from chrysanthemums) are common and biodegradable, but ensure compatibility with surfaces, pets, and children. Some products pair pyrethrins with synergists like piperonyl butoxide or pyriproxyfen (IGR) for extended control.
- Spray reach and application distance: For nest-treated areas, long-range sprays (jet streams) provide safer application distances. Check nozzle type, spray pattern, and weather conditions before use.
- Indoor vs outdoor use: Indoor products should minimize odor and residue, while outdoor formulas emphasize weather resistance and surface compatibility. Always follow label directions for surface materials.
- Safety and storage: Store aerosols away from heat and children’s reach. Follow disposal guidelines for empty containers and never mix products with incompatible chemicals.
- Regulatory and compatibility notes: Some products are designed for professional use; verify labeling for consumer applications and local regulations before purchase.
When selecting a pyrethrin spray for wasp control, balance immediate nest disruption with long-term prevention. Consider the environment, target pests, and whether you need a quick knockdown or ongoing population management. Always read and follow the product label for safe and effective usage.