Chemicalsamvacstifle-wp

Stifle WP

AMVAC · EPA Reg 5481-650 · 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. · EPA registration data for Reg. 5481-650 →

Stifle WP is a miticide containing 72% Etoxazole as an active ingredient. It functions primarily as a larvicide and ovicide, meaning it is most effective when mite pressure is low. It is used to control various mite species, including European Red Spider Mite, McDaniel Spider Mite, Two-spotted Spider Mite, Yellow Spider Mite, Banks Grass Mite, Carmine Spider Mite, Pacific Spider Mite, and Strawberry Spider Mite. The product is applied to a variety of crops including caneberry, field corn, popcorn, corn grown for seed, cotton, cucurbit vegetables, hops, low growing berry, mint, and pepper/eggplant. Application involves using water-soluble packages (WSPs) that must be dissolved in a tank. For best results, ensure complete coverage of the entire plant, including reproductive parts. Users must follow specific application rates per acre depending on the crop and pest infestation level. Handling requires specific PPE, including long-sleeved shirts, long pants, shoes/socks, and chemical-resistant gloves. Avoid contact with eyes, skin, and clothing. Do not apply through irrigation or chemigation systems.

Pests covered (8)
European Red Spider Mite, McDaniel Spider Mite, Two-spotted Spider Mite, Yellow Spider MiteBanks Grass Mite, Carmine Spider Mite, Pacific Spider Mite, Strawberry Spider Mite, Two-spotted Spider MiteCarmine Spider Mite, Pacific Spider Mite, Two-spotted Spider MiteCarmine Spider Mite, Pacific Spider Mite, Strawberry Spider Mite, Two-spotted Spider MiteTwo-spotted Spider MiteEuropean Red Mite, Pacific Spider Mite, Two-spotted Spider MitePacific Spider Mite, Strawberry Spider Mite, Two-spotted Spider MiteMites
Areas treatable (8)
CaneberryField Corn, Popcorn, Corn grown for seedCottonCucurbit VegetablesHopsLow Growing BerryMintPepper and Eggplant

How to treat each type of area 8

Caneberry

Target pest Location Rate Unit Dilution Label notes
European Red Spider Mite, McDaniel Spider Mite, Two-spotted Spider Mite, Yellow Spider Mite Outdoor 2.0 - 3.0 oz/acre 0.090 - 0.135 pounds AI/A Apply using sufficient water to ensure complete coverage of the entire plant (minimum 50 gallons/acre). Choose lower rate for light infestations and higher rate for heavy infestations.

Field Corn, Popcorn, Corn grown for seed

Target pest Location Rate Unit Dilution Label notes
Banks Grass Mite, Carmine Spider Mite, Pacific Spider Mite, Strawberry Spider Mite, Two-spotted Spider Mite Outdoor 1.0 - 3.0 oz/acre 0.045 - 0.135 pounds AI/A Aerial applications require minimum 3 gallons water/acre; ground applications require minimum 10 gallons water/acre.

Cotton

Target pest Location Rate Unit Dilution Label notes
Carmine Spider Mite, Pacific Spider Mite, Two-spotted Spider Mite Outdoor 0.66 - 1.0 oz/acre 0.030 - 0.045 pounds AI/A Aerial applications require minimum 3 gallons water/acre; ground applications require minimum 10 gallons water/acre.

Cucurbit Vegetables

Target pest Location Rate Unit Dilution Label notes
Carmine Spider Mite, Pacific Spider Mite, Strawberry Spider Mite, Two-spotted Spider Mite Outdoor 2.0 - 3.0 oz/acre 0.090 - 0.135 pounds AI/A Aerial applications require minimum 3 gallons water/acre.

Hops

Target pest Location Rate Unit Dilution Label notes
Two-spotted Spider Mite Outdoor 3.0 - 4.0 oz/acre 0.135 - 0.180 pounds AI/A Complete coverage of entire plant (minimum 50 gallons/acre) is essential.

Low Growing Berry

Target pest Location Rate Unit Dilution Label notes
European Red Mite, Pacific Spider Mite, Two-spotted Spider Mite Outdoor 2.0 - 3.0 oz/acre 0.090 - 0.135 pounds AI/A Apply using sufficient water to ensure complete coverage (minimum 100 gallons/acre).

Mint

Target pest Location Rate Unit Dilution Label notes
Pacific Spider Mite, Strawberry Spider Mite, Two-spotted Spider Mite Outdoor 2.0 - 4.0 oz/acre 0.090 - 0.180 pounds AI/A Aerial applications require minimum 10 gallons water/acre; ground applications require minimum 50 gallons water/acre.

Pepper and Eggplant

Target pest Location Rate Unit Dilution Label notes
Two-spotted Spider Mite Outdoor 2.0 - 3.0 oz/acre 0.090 - 0.135 pounds AI/A Complete coverage of entire plant (minimum 20 gallons/acre) is essential.

Mixing instructions 1

For pests Location Amount Per Label notes
All target pests Outdoor 0.66, 1.0, 2.0, 3.0, or 4.0 packets Dissolve WSPs in tank. Do not spray water from a hose or fill pipe to break/dissolve WSPs. Start mechanical/recirculation agitation before adding WSPs. Maintain agitation of diluted pesticide.

Worker safety

PPE required Long-sleeved shirt and long pants, shoes and socks, and chemical-resistant gloves made out of barrier laminate, butyl > 14 mils, nitrile rubber > 14 mils, neoprene rubber > 14 mils, natural rubber > 14 mils, polyethylene, polyvinyl chloride > 14 mils, or Viton® ≥ 14 mils.

Use restrictions 4

Label SDS
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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.