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Net-winged Beetle (Calopteron terminale)


Detailing the physical features, habits, territorial reach and other identifying qualities of the Net-winged Beetle



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Image Credit: Jane B from MN
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The orange and black Net-winged Beetle has fine texture on its soft wing covers, something not seen on many beetles.



Updated: 07/07/2021; Authored By Staff Writer; Content ©www.InsectIdentification.org
This beetle resembles a firefly, like its close cousin C. reticulatum, but the ridges and net-like pattern of veins on this species' wings place them in the Lycidae family. They do not glow. The elytra (wing coverings) are mostly orange with a thick black band covering the lower part. Many similar sized orange and black insects taste bad, so this coloring is a passive defense in itself, but when threatened, adults open and lift their wings as a defensive warning, perhaps making themselves appear larger and more aggressive. This Net-winged Beetle does not have a stinger, and does not fight, so this display may not always be effective in scaring off a predator.

Larvae hunt for small invertebrates and perhaps even fungi in leaf litter or decaying wood on the forest floor. Adults are usually seen at sundown either resting on flowers and other vegetation, or in the air, moving between stops. They are slow in flight.




General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers
Flying insect icon


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Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Coleoptera
        Family: Lycidae
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          Genus: Calopteron
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            Species: terminale
Identifying Information
Size, Colors, Features
Scientific Name: Calopteron terminale
Category: Beetle
Size (Adult; Length): 9mm to 18mm (0.35" to 0.70")
Colorwheel Graphic Colors: orange; black
Descriptors: bumpy, firefly, slow, flying
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Relative Size Comparison
Typical Size Between 9mm (0.4in) and 18mm (0.7in)
Lo: 9mm
Md: 13.5mm
Hi: 18mm
Territorial Map*
U.S., Canada, and Mexico
State of Alabama graphic
State of Arizona graphic
State of Arkansas graphic
State of California graphic
State of Colorado graphic
State of Delware graphic
State of Florida graphic
State of Georgia graphic
State of Idaho graphic
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State of Maine graphic
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State of Minnesota graphic
State of Mississippi graphic
State of Missouri graphic
State of Montana graphic
State of Nebraska graphic
State of Nevada graphic
State of New England graphic
State of New Jersey graphic
State of New Mexico graphic
State of New York graphic
State of North Carolina graphic
State of North Dakota graphic
State of Ohio graphic
State of Oklahoma graphic
State of Oregon graphic
State of Pennsylvania graphic
State of South Carolina graphic
State of South Dakota graphic
State of Tennessee graphic
State of Texas graphic
State of Utah graphic
State of Virginia graphic
State of Washington graphic
State of West Virginia graphic
State of Wisconsin graphic
State of Wyoming graphic
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
Alaska  
Hawaii  
Prince Edward Is.  
* MAP NOTES: The territorial heat map above showcases (in red) the states and territories of North America where the Net-winged Beetle 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 Net-winged Beetle. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.

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