Chemicalsamvaccounter-20g-smartbox

COUNTER 20G SmartBox

AMVAC · EPA Reg 5481-562 · Insecticide / Nematicide 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. 5481-562 →

COUNTER 20G SmartCartridge is a systemic insecticide and nematicide used at planting in field corn, corn grown for seed, popcorn, sweet corn, sugar beets, and grain sorghum. The active ingredient is Terbufos at 20.0% by weight. It is designed for use with a closed loading system to control a wide range of pests, including corn rootworms, wireworms, white grubs, corn flea beetles, maize billbugs, southern corn billbugs, thrips, symphylans, chinch bugs, nematodes, lesion lance, root knot, spiral stunt, stubby root, dagger cutworms, and lesser cornstalk borers. The product is highly toxic and is classified as a restricted pesticide due to acute oral, dermal, and inhalation toxicity, as well as risks to aquatic organisms and wildlife. It must be used by certified applicators. Handling requires specific personal protective equipment (PPE), including long-sleeved shirts, long pants, shoes plus socks, and protective eyewear. In some application scenarios, chemical-resistant gloves and respiratory protection (NIOSH-approved) may be required. Always follow specific engineering controls and safety rules to prevent exposure. The product is highly toxic to fish and wildlife; avoid application near water or in areas where runoff may occur.

Pests covered (2)
Corn Rootworm larvae, Wireworms, White Grubs, Seedcorn Maggots, Seedcorn Beetles, Corn Flea Beetles, Maize Billbugs, Southern Corn Billbugs, Thrips, Symphylans, Chinchbugs, Nematodes, Lance, Lesion, Root Knot, Spiral, Stunt, Stubby root, Dagger Cutworms, Lesser Cornstalk BorersNematodes
Areas treatable (1)
Field Corn, Field Corn Grown for Seed, Popcorn, Sweet Corn, Sugar Beets, Grain Sorghum

How to treat each type of area 1

Field Corn, Field Corn Grown for Seed, Popcorn, Sweet Corn, Sugar Beets, Grain Sorghum

Target pest Location Rate Unit Label notes
Corn Rootworm larvae, Wireworms, White Grubs, Seedcorn Maggots, Seedcorn Beetles, Corn Flea Beetles, Maize Billbugs, Southern Corn Billbugs, Thrips, Symphylans, Chinchbugs, Nematodes, Lance, Lesion, Root Knot, Spiral, Stunt, Stubby root, Dagger Cutworms, Lesser Cornstalk Borers Outdoor 4.5 to 6 oz. per 1,000 ft. of row Banded or In-Furrow; place granules 4 to 5 inch-band over the presheeth and incorporate evenly into the top 1 inch of soil. DO NOT exceed 6.5 pounds of Counter 20G per acre.

Worker safety

Re-entry interval (REI) 48
PPE required Loaders, applicators and other handlers using engineering controls must wear: Long-sleeved shirt and long pants; Shoes plus socks; Protective eyewear. Depending on application, may require chemical-resistant gloves and NIOSH-approved respiratory protection.

Timing & weather

Use restrictions 12

Label SDS
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Document text and citations

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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.