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Weevil (Various spp.)

Detailing the physical features, habits, territorial reach and other identifying qualities of the Weevil

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Image Credit: Stephanie S. from St. Louis, MO
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Weevils are a prolific type of beetle that are best known for their aggressive feeding on plants and grains that people rely on.

Updated: 07/15/2021; Authored By Staff Writer; Content ©www.InsectIdentification.org
Weevils have antennae that are bent in what is called an 'elbow'. Many species also have curled 'snouts' or 'noses' that are helpful in categorizing them. Almost all are herbivores, and many are notorious for the devastation they cause on important crop plants and trees.

They are generally quite small and are often overlooked unless there are large numbers of them. They can infest pantries that have not properly stored grains, and garages with opened birdseed. Their larvae can bore through the cambium tissue of trees, interrupting the flow of water and nutrients, like the Larger Chestnut Weevil, or attack the roots, like the Little Leaf Notcher. Some attack the buds of plants, ruining the yield, like the infamous Boll Weevil. Efforts to control, and even eradicate, certain species of Weevil are common. Finding one indoors should inspire a quick check of cupboards, the pantry, and other areas with food sources. Weevils reproduce rapidly, so early discovery of an infestation makes removing it easier.

General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers
Insect antennae icon
Rounded insect body icon


Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Coleoptera
        Family: Curculionidae
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          Genus: Various
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            Species: spp.
Identifying Information
Size, Colors, Features
Scientific Name: Various spp.
Category: Beetle
Size (Adult; Length): 3mm to 12mm (0.11" to 0.47")
Colorwheel Graphic Colors: brown; black
Descriptors: snout; nose; curled; bent antennae; round body; bump; bumpy; thick legs

Relative Size Comparison
Typical Size Between 3mm (0.1in) and 12mm (0.5in)
Lo: 3mm
Md: 7.5mm
Hi: 12mm
Territorial Map*
U.S., Canada, and Mexico
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Canadian territory of Alberta graphic
Canadian territory of British Columbia graphic
Canadian territory of Manitoba graphic
Canadian territory of New Brunswick graphic
Canadian territory of Newfoundland and Labrador graphic
Canadian territory of Ontario graphic
Canadian territory of Quebec graphic
Canadian territory of Saskatchewan graphic
Territory map graphic of the country of Mexico
Contiguous United States shape map layer graphic
Prince Edward Is.  
* MAP NOTES: The territorial heat map above showcases (in red) the states and territories of North America where the Weevil may be found (but is not limited to). This sort of data is useful when attempting to see concentrations of particular species across the continent as well as revealing possible migratory patterns over a species' given lifespan. Some insects are naturally confined by environment, weather, mating habits, food resources and the like while others see widespread expansion across most, or all, of North America. States/Territories shown above are a general indicator of areas inhabited by the Weevil. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.


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