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Banded Net-winged Beetle (Calopteron discrepens)

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

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Image Credit: John D. taken in Vichy, MO
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Image Credit: Tim G., taken on the Appalachian Trail in PA
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Image Credit: Tim G., taken on the Appalachian Trail in PA
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The intricately textured wings of the orange and black Banded Net-winged Beetle are said to resemble the flaxen nets used by fishermen.

Updated: 06/21/2023; Authored By Staff Writer; Content ©www.InsectIdentification.org
Active in the daytime and at sundown, Banded Net-winged Beetles are commonly spotted resting on flowers or leaves. They flare their elytra (wing covering) and wings open in a possible attempt to scare off a threat. Bright thick bands of orange and black alternate across the elytra. A raised textural pattern of lines covers elytra in a net-like fashion, informing this species' common name. The orange pronotum is rounded by the head, but comes to two long points on either side of the 'neck'. A black line runs down the middle pronotum.

Their pupae are less colorful. Brown and covered in ridges, the wingless juveniles have white extensions coming out of their sides, and make them look similar to chubby centipedes. They are often grouped together on trees and stems in overlapping masses. They contain a chemical that makes them taste unpleasant to potential predators. Look for pupae in woods or forests near rotting logs and trees, and watch for adults on flowers in meadows and gardens.

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General Characteristics

Capability, Shape, Texture/Pattern, Benefits, Dangers
Flying insect icon
Striped or banded insect icon

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: discrepens

Identifying Information

Size, Colors, Features
Scientific Name: Calopteron discrepens
Category: Beetle
Size (Adult; Length): 9mm to 19mm (0.35" to 0.74")
Colorwheel Graphic Colors: orange; black
Descriptors: lines; bands; texture; ridges; flying

Relative Size Comparison

Typical Size Between 9mm (0.4in) and 19mm (0.7in)
Lo: 9mm
Md: 14mm
Hi: 19mm

Territorial Map*

U.S., Canada, and Mexico
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Prince Edward Is.  
* MAP NOTES: The territorial heat map above showcases (in red) the states and territories of North America where the Banded 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 Banded Net-winged Beetle. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.
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