PT® Wasp-Freeze II Wasp & Hornet Insecticide
BASF · Prallethrin 0.1% · EPA Reg 499-550 · INSECTICIDE
Document last checked 2026-05-30
About this product
Active ingredient
Prallethrin 0.1%
Manufacturer
BASF
Category
INSECTICIDE
Full details for PT® Wasp-Freeze II Wasp & Hornet Insecticide
Professional research coverage
Research rank #289 · ranks 251 350
This metadata reports what the research package has linked and reviewed. It does not restate rates, sites, PPE, mixing, or application directions. Always use the labeling accompanying the product in hand and applicable state supplemental labeling.
- Product identity
- Accepted
- Label document
- Verified
- SDS document
- Verified
- Research records
- 2 sources · 0 open review items
Publication state: metadata only.
Applicator discussion
Nothing here is label direction — the label is the law.
These are notes from other applicators, moderated before they appear.
Always work from this product's verified label.
Check the labeling accompanying the product and applicable state requirements.
According to the label From the product label
These details were extracted from this product's label PDF.
The label is the law.
Confirm every rate, site, restriction and safety requirement against the label before mixing or applying.
Check for a
state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below.
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·
EPA registration data for Reg. 499-550 →
Pests covered (7)
WASPS AND HORNETSYELLOWJACKETS AND BEESSPIDERS (including Black Widow and Brown Recluse)BEESWASPSHORNETSYELLOWJACKETS
Areas treatable (5)
nestnest openingCOMMERCIAL/INSTITUTIONAL/INDUSTRIAL BUILOINGS (ATTICS)DOMESTIC DWELLINGS (INDOOR)DOMESTIC DWELLINGS (OUTDOOR)
Application instructions from the label 3
nest
Hold container in upright position. Stand a safe distance, 6 to 15 ft from the nest, and not directly underneath. Align actuator opening with the mark on the valve cup. Aim the actuator opening toward the nest with the wind at your back. Treat the nest until thoroughly wet. Contact wasps and hornets on the nest with spray when possible.
- Target pest
- WASPS AND HORNETS
- Location
- Outdoor
nest opening
Locate nest. Align actuator opening directly opposite the mark on the valve cup. Press down on the actuator and apply, using a sweeping motion, contacting any stimulated or stirred-up yellowjackets and bees around the nest opening. Then move forward to the nest opening and apply for 6 to 8 sec directly into the nest hole.
- Target pest
- YELLOWJACKETS AND BEES
- Location
- Outdoor
Apply directly to spiders and/or webbing. Before applying, consider the surfaces for potential staining or residue that spray may contact.
- Target pest
- SPIDERS (including Black Widow and Brown Recluse)
Worker safety
PPE required
Avoid contact with eyes, skin or clothing. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco or using the toilet. Remove contaminated clothing and launder before reuse.
Timing & weather
- Aim the actuator opening toward the nest with the wind at your back.
- The best time of day to treat is in evening or early morning, since wasps and hornets congregate on or in the nest at night.
Use restrictions 5
- USE OUTDOORS AND IN ATTICS & CRAWL SPACES ONLY.
- When using in an attic, DO NOT contaminate stored items, HVAC systems, water heaters or other nonstructural items.
- DO NOT apply directly to water or to areas where surface water is present or to intertidal areas below the mean high water mark.
- DO NOT contaminate water by cleaning of equipment or disposal of equipment wash waters.
- DO NOT apply this product or allow it to drift to blooming crops or weeds while bees are actively visiting the treatment area.