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Checkered Beetle (Enoclerus rosmarus)

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

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The Checkered Beetle isn't interested in playing games with insects that happen to harm trees and plants.

Updated: 01/26/2021; Authored By Staff Writer; Content ©www.InsectIdentification.org
A colorful banding pattern on the elytra (wing covering) helped to name this beetle. Checkered Beetles have a red head and thorax. The abdomen is multicolored: red near the head, and swollen bands of black and yellow toward the rear. Legs and segmented antennae are black. Adults are likely to be seen around flowers and weeds from late spring to early summer.

Both life stages of this beetle are exceptionally good at eating insects like weevils, borer beetles and bark beetles. The adult Checkered Beetle feeds on various adults. They can be found resting on flowers, maybe even drinking the nectar while they are there. The Checkered Beetle larvae may be immature, but they are still effective predators. They follow the paths and tunnels of wood-borer and bark beetle larvae until they reach the larvae. Checkered Beetle larvae eat them while they are still inside the tree trunk, ending the internal damage done to the tree.

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


Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Coleoptera
        Family: Cleridae
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          Genus: Enoclerus
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            Species: rosmarus
Identifying Information
Size, Colors, Features
Scientific Name: Enoclerus rosmarus
Category: Beetle
Size (Adult; Length): 5mm to 12mm (0.19" to 0.47")
Colorwheel Graphic Colors: red; black; yellow
Descriptors: bands, stripes

Relative Size Comparison
Typical Size Between 5mm (0.2in) and 12mm (0.5in)
Lo: 5mm
Md: 8.5mm
Hi: 12mm
Territorial Map*
U.S., Canada, and Mexico
State of Alabama graphic
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Canadian territory of Alberta graphic
Canadian territory of British Columbia graphic
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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 Checkered 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 Checkered Beetle. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.


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