PT® Wasp-Freeze II Wasp & Hornet Insecticide

BASF · Prallethrin 0.1% · EPA Reg 499-550 · INSECTICIDE Document last checked 2026-05-30

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. View the verified label → · 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.

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Reference only. Always read and follow the most current EPA-approved label on the product container. State and local restrictions may apply that are not reflected in this digitised copy. Verify the EPA registration number and revision date before use.