Wheat

Wheat Fumigation & Grain Protectants for Farmers, Elevators & Flour Mills

From the wheat fields of the midwest, to flour mills and export terminals across the country — protecting wheat quality is critical. Stored product insects don’t just reduce test weight. They threaten milling quality, customer confidence, export eligibility, audit outcomes, and brand protection. FSS provides wheat-specific pest management solutions for farmers, grain elevators, and flour millers — combining fumigation expertise with preventative grain protectant strategies.

Combine harvester harvesting wheat on sunny summer day

Common Wheat Storage Pests

Identifying the pest species is critical. Some insects respond differently to protectants or fumigation programs, and resistance management must be considered. Below is a list of common pests to which wheat is vulnerable.

Confused
Flour Beetle

Indian
Meal Moth

Wheat Grain Fumigation Services

When infestations are active, fumigation is often required to eliminate all life stages inside the grain mass.

FSS supports wheat facilities with:

Phosphine fumigation for bins and silos
Recirculation systems for large corrugated bins
Temperature-based fumigation planning
Monitoring and documentation
Compliance-focused execution

Proper sealing, dosage calculation, and monitoring are essential. Sub-lethal fumigation rates can lead to resistance — a growing issue in stored wheat across the Midwest. We support on-farm bins, commercial elevators, flour mill storage, and export shipments.

Empty Bin Preparation for Wheat Storage

Before harvest, empty bin preparation is critical. Recommended best practices include complete cleaning of residual grain and fines, exterior vegetation control, residual insecticide treatment of bin walls and floor, sealing assessment, and monitoring equipment verification.

A clean, properly treated bin significantly reduces early infestation risk. FSS is there to help you in this process by providing these services to you:

Empty bin fumigation
Structural inspection
Residual treatment recommendations
Monitoring programs

Supporting the Wheat Industry

FSS is actively involved in organizations supporting wheat producers and processors, including grain Elevator & Processing Society (GEAPS), International Association of Operative Millers (IAOM), Illinois Wheat Association, Michigan Wheat Program, and National Grain & Feed Association. We understand the operational challenges facing wheat handlers across the Midwest and Great Plains.

Shop Wheat Grain Protectants & Fumigants

Prevention is often the most cost-effective strategy. FSS supplies grain protectants labeled for wheat, including Gravista® Insecticide, Diacon® IGR & Diacon®-D IGR, and Centynal™ EC + PBO-8.

Visit our online store to view available products.

Visit Our Store

Talk to a Wheat Protection Specialist

Visit our Ask the Expert page to connect directly with a fumigation or grain protectant expert.

Talk to a Wheat Protection Specialist

Talk to an Expert

Plan it yourself with our free calculators.
Label-based application rates, exposure periods, and order quantities in minutes.

Grain Protectant Calculator Fumigant Calculator

Fumigants are Restricted Use Pesticides — a current applicator license is required to purchase.

Frequently Asked Questions

What insects attack stored wheat?

Common stored-wheat pests include the granary and rice weevils, lesser grain borer, red and confused flour beetles, and the Indianmeal moth. Several feed inside the kernel, so infestations can hide until populations are large.

How do I protect wheat in storage?

Start with clean, dry grain in a cleaned bin, use aeration to keep the grain cool and dry, apply a grain protectant at binning for longer storage, monitor regularly, and fumigate if live insects appear.

When should stored wheat be fumigated?

Fumigate when monitoring shows live insect activity in the grain mass, or preventively before long-term storage. Phosphine fumigation controls all life stages and then aerates off the grain.

Can grain protectants be applied to wheat going into storage?

Yes. Protectants applied as wheat goes into storage help prevent infestations from developing; follow the product label for rate and target pests, and our grain protectant calculator can size the application.

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