REQUEST A FREE QUOTE

PEST LIBRARY / PANTRY PESTS / GRANARY WEEVIL

GRANARY WEEVIL INFORMATION & FACTS

The granary weevil, commonly known as the grain weevil or wheat weevil, is a type of beetle typically reddish brown in colour and can grow to be 5 mm in length. To the untrained eye, granary weevils may look similar to another well-known pantry weevil, the rice weevil. The biggest difference between the two is granary weevils are incapable of flying.

A granary weevil infesting a stored product

This weevil beetle is particularly destructive to agriculture. Unable to fly, they are commonly found where grain is stored, which is where the name grain weevil comes from. When threatened, the defense mechanism of the granary weevil is to play dead.

They are pest of oats, rye, barley, rice, corn and of course, wheat. Wheat weevils in the pantry can appear in just about any type of packaged food that contains grain including cookies, crackers, cake mixes, pastas, popcorn and cereals.

Any infested foods should be discarded immediately and the contaminated food stored in the garbage outside.

Female granary weevils lay around 150 weevil eggs in their lifetime. Females drill holes in grain kernels with their mandibles in order to deposit weevil eggs. Weevil larvae feed on the inside of the grain kernels. Under warm conditions it can take about 4-6 weeks for weevil larvae to reach maturity. This timeline increases to as much as 21 weeks in the winter.

GRANARY WEEVIL CONTROL & REMOVAL

Cleanliness and proper storage are the best protections against a granary weevil infestation.

  • Ensure all grains are thoroughly inspected before being brought into the house.
  • Grains should be stored in tightly sealed glass, metal or plastic containers – do not use bags as granary weevils can chew through paper and plastic.
  • Purchase grains in smaller quantities so they are consumed within a reasonable amount of time.
  • Regularly vacuum pantry shelves, cracks and corners.

For weevil extermination, contact a granary weevil pest control expert. Environmental Pest Control’s technicians will correctly identify the weevil species before getting rid of your weevil infestation

Call 1 (800) 263-5055

Our Professional Team is Happy to Help!

NO RELIANCE ON PESTICIDE PRODUCTS - LEARN ABOUT OUR GREEN PEST MANAGEMENT SYSTEM


Trevor Dixon

I want to thank Sarah! She really did a amazing inspection! I had a issue with mice. Sarah cover the inside and outside taking care of holes/gaps above the front and back doors. attics and garage. And has a very caring attitude towards her clients! I have know about Environmental Pest control for many years as they looked after issues with a school board I worked for.


Margo Dixon

We just had a fall treatment done at our country property. We never hesitate to call this company to protect us from ladybugs, cluster flies and more. You can count on them for punctuality, professionalism and thoroughness. Shout out to Cody who went above and beyond today: on his own accord, he brought our garbage/recycling bins to our garage door from the road and was able to retrieve a helium balloon that had floated up to the top of our cathedral ceiling. We are seniors, so these gestures of kindness were most appreciated. Highly recommend!


Sherrie Lee Hawley

I cannot rate this company high enough. I first talked with Thomas on the phone. He was so polite and patient with this 79 year old lady animal advocate. He talked me through everything and I made my choice of the service I desired. I got an appointment the next day. Craig was right on time and he went through everything again and made sure I understood the whole procedure. I feel I got a very fair price for the work done. Do not hesitate to call Environmental Pest Control if you need help with wasps as I did!


Heather Lundberg

I recently had the bait boxes refilled to avoid having mice move into my house as the weather turns colder. Mike and Jake arrived at the appointed time. Both gentlemen were polite, friendly and very professional. When they left, I contacted Kassandra to arrange payment. She was lovely, pleasant and polite, a pleasure to speak with. I have used the services of this company for years and have always been pleased.