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Granary Weevils

What are granary weevils?

illustration of a granary weevil

Granary weevils are a type of stored product pest and are a brownish-red color.  

Adults grow to be about 1/8th of an inch in length and have a hard-shell body with very noticeable pitted patterns on their heads. 

They have non-functional wings, so these pests cannot fly.

Their larvae are wrinkly, grub-like, and whitish in color.  

An interesting fact of granary weevils is that when adults are disturbed, they will play dead.

Are granary weevils dangerous?

Granary weevils are not dangerous to people because they don’t bite or sting, and are not known to transmit any diseases. Granary weevils only attack food products and therefore won’t damage personal items or furniture found in homes. They are, however, considered to be a threat to the agricultural industry and can become quite a nuisance inside of homes when they infest and contaminate whole grains and seeds that are stored in kitchen and pantry areas.

Why do I have a granary weevil problem?

Granary weevils can’t fly so the main way that they enter into homes is through products purchased from stores that are already infested with their larvae and eggs. Granary weevil infestations often originate at food processing plants/facilities.

How do I get rid of granary weevils?

The fastest, safest, and most effective way to eliminate granary weevils or any other stored product pest from your home is to get help as quickly as possible from a professional. At All-American Pest Control, we can help to find and eliminate all granary weevils, along with other common household pests from your home through our year-round Perimeter Pest Control Program or our Green Choice Pest Control program.


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Can I do it myself?

We do not recommend using DIY pest control products to get rid of granary weevils from your home; especially because these pests invade kitchen and pantry areas. Do-it-yourself pest control products are not only often ineffective, but they can be very dangerous to use if not mixed or place properly, and they should never be used in close proximity to food. The best way to safely get rid of granary weevils and to prevent a re-infestation is to get help from a professional pest control expert in Nashville and Middle Tennessee. If granary weevils have infested your home’s kitchen and/or pantry contact the experts here at All-American Pest Control today.

Why choose All-American Pest Control?

With over 50 years of experience, we know the time, effort and patience it takes to solve any pest problem, including problems with stored product pests like granary weevils. With All-American Pest Control, you’ll receive quality services, thorough treatments, and a commitment to solving your pest problem from our friendly trained experts.

How can I prevent problems with granary weevils in the future?

Along with putting into place a year-round pest control program from the pest control experts here at All-American Pest, the following prevention tips can help to prevent problems with granary weevils in your home. 

  • When you purchase seeds and grains from a store inspect the packaging to ensure that there are no holes or rips.

  • After returning home from the store, remove grain and seed products from their original packaging and place them into plastic or glass containers that have a tight-fitting lid.  

  • Regularly clean out your pantry and cabinets, cleaning up any crumbs and getting rid of older or expired dry goods.  

  • Always inspect stored food products for signs of adults or larvae before using them.

Call us at All-American today, to schedule your free home evaluation!


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