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Twice-stabbed Lady Beetle (Chilocorus stigma)

Detailing the physical features, habits, territorial reach and other identifying qualities of the Twice-stabbed Lady Beetle

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Image Credit: Jan from MN
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The Twice-stabbed Lady Beetle is an excellent friend to gardeners thanks to its ability to hunt and consume plant-harming bugs at an astonishing rate.

Updated: 07/15/2021; Authored By Staff Writer; Content ©www.InsectIdentification.org
The twin red spots on the shiny black elytra of the Twice-stabbed Lady Beetle help in identifying it. A narrow ridge, or lip, extends from the bottom edge of the elytra. It is not a delicate insect; this beetle sports strong mouth parts capable of chewing through the tough armor-like exoskeletons of many other insects. The beetle naturally and organically rids plants of pests that may ruin leaves and fruit, or possibly kill the plant. They prey on scale and other things that can infect plants with fungi or viruses. This makes it a tremendous ally to gardeners and growers. Females place their fertilized eggs in the empty carcasses of scale insects for protection.

Females are able to emit a noxious substance from their legs and they have a reputation for tasting foul. These two defense mechanisms reduce the likelihood of predation by birds and other small animals. Gardeners should make a point to recognize this Lady Beetle and not mistake it for the obnoxious Asian Multi-colored Lady Beetle, the multi-spotted, stinky species known for moving into homes and buildings for shelter.

General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers
Flying insect icon
Helpful insect icon
Patterned insect icon
Rounded insect body icon


Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Coleoptera
        Family: Coccinellidae
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          Genus: Chilocorus
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            Species: stigma
Identifying Information
Size, Colors, Features
Scientific Name: Chilocorus stigma
Category: Beetle
Size (Adult; Length): 3mm to 5mm (0.11" to 0.19")
Colorwheel Graphic Colors: black, red
Descriptors: helpful, flying, round, spots, dots, twin

Relative Size Comparison
Typical Size Between 3mm (0.1in) and 5mm (0.2in)
Lo: 3mm
Md: 4mm
Hi: 5mm
Territorial Map*
U.S., Canada, and Mexico
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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 Twice-stabbed Lady 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 Twice-stabbed Lady Beetle. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.


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