Nimby Wild, Pest Control and Environmental Solutions

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Wildlife Control Toronto and GTA

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Container Fumigation, Bird Cannons, Pallet Treatments, Weed Control

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Granary Weevil

Granary Weevil_Control_Header

This beetle has a polished chestnut brown or blackish body color that is approximately 5 mm long.  The characteristic feature of granary weevil is the long snout, however, it can be difficult to tell apart from the rice weevil.  The granary weevil feeds on grain kernels and leave only the shells.  The damage caused by the granary weevil often prepares the food stores for further insect infestation due to the increased number of damaged kernels. The adult beetles are unable to fly.  The typical lifespan is between 7 to 8 months. The female granary weevil drills a hole in a kernel to lay its eggs inside, which is subsequently sealed.  The female beetle will lay up to 150 eggs in the same number of grain kernels.  The granary weevil is very resilient to a wide range of temperatures, 15 to 30+ C.

How do granary weevils spread?

Like all weevils, granary weevils spread very easily.  The most common path of entrance into your home is through contaminated products, which include a variety of grains and cereals as well as dried fruits and nuts.  Food product contamination normally happens during food processing.  The risk of granary weevil infestation is much higher when foodstuff packaging is damaged when you pick it up off the shelf.  If you have a granary weevil infestation, it does not reflect the cleanliness of your home.  Weevils are also known to be very mobile.  If you are in an apartment building, there is a possibility that they could come from neighbouring apartments.

How can I identify granary weevils?

The rice weevil has a polished chestnut brown body that is approximately 5 mm long.  Weevil's have a characteristically long snout along with the ability to fly.  The granary weevil is commonly mistaken for a rice (or other species of) weevil. Rice weevils have four reddish patches on its rear body segment (elytra) whereas granary weevils are a solid chestnut brown. The damage that the granary weevil causes is similar to that of other weevils.  Larva will eat the endosperm within a kernel, whereas the adult will leave a significant exit hole in the kernel or feast on damaged kernels. Female granary weevils will lay their eggs in drilled out kernels. If you are having trouble identifying the beetle species, contact us for professional pest control service.

How do I control granary weevils?

As with all pantry pests, the first step in controlling them is to remove their sources of food from your pantry.  Seal suspected food sources in a plastic bag and keep an eye on them for up to a month.  If you notice any weevils in the sealed bags you should immediately discard the item. Since granary weevils mainly enter your home through contaminated food products, be careful to not purchase any damaged boxes or bags.  Controlling granary weevils can be difficult and a professional pest control expert is often necessary.  Call Nimby Pest Management today!


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Pest Identification

There are literally thousands of pests that can infiltrate your home or business.  If you have a pest but are unsure what it is just give us a call and we'll come take a look.

About Nimby

N.I.M.B.Y. is an acronym for NOT IN MY BACKYARD. We know that unwanted pests are just that, unwanted. We will rid you of your pest problems safely and humanely without major disruptions to your normal routines. Our company is founded on a committed to customer satisfaction and the assurance that we will always treat each customer with the utmost integrity.

Nimby Education Centre

  • Airport bird hazard risk assessment process.
  • Nimby bird repellers, devices and aversion.
  • Certified traps - AIHTA Implementation.
  • Protecting your family and pets from rabies (MNR document).
  • Bedbug fact sheet (City of Toronto)
  • Avoiding bedbug hitch hickers.
  • Pest Control Products Act.
  • Nimby Fact Sheet - Preparation for Cockroach Treatment.
  • Ontario Pesticides Act.

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Ants, Ant nests, Ask the experts, Bats, Beatles, Bedbugs, Bees, Bee Stings, Birds, Booklouse, Box Elder Bugs, Carpenter Ants, Carpet Beetles, Canadian Pest Management Association, Carpenter ant photos, Carpet beetles, Centipedes, Choosing a pro, Clothes moths, Clover Mites, Cockroaches, Controlling pests, Crows, Finding a Pro, Fleas, Flies, Gnats, Grain beetles, Geese, Gulls, Hantavirus, Home page, Index page, Insects, I.P.M. , Ladybugs, Mice, Millipedes, Moles, Moths, Mold, Other pests, Pantry Pests, Pest pro Associations, Pharaoh Ants, Phorid Flies, Pigeons, Pill Bugs, Powder post beetles, Psocid, Raccoons, Rats, Real Estate & Pests, Red-winged Blackbird, Rodents, Sea-gulls, Skunks, Spiders, Snakes, Sow Bugs, Starlings, Supplies for pest control, Termites, Wasps, Wasp Stings, Wasp Traps, Weevils, Wildlife pests, Wildlife control products

Service Areas

Nimby Pest Management offers Wildlife, Pest, Bird and Animal Control and Control and Removal throughout Ontario. Our Bird Control and Animal Control Services are available in Acton, Ajax, Barrie, Brampton, Burlington, Caledon, Georgetown, Guelph, Hamilton, Kitchener, London, Markham, Milton, Mississauga, Newmarket, Niagara Region, Oakville, Orangeville, Oshawa, Ottawa, Peterborough, Richmond Hill, St. Catharines, Scarborough, Toronto-Central West, Toronto-Central East, Toronto-Etobicoke, Toronto North York, Vaughan, and Whitby. We also serve all Canadian Provinces and most of the U.S. Please contact us for more information.