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Dimorphic Jumping Spider (Maevia inclemens)


Detailing the physical features, habits, territorial reach and other identifying qualities of the Dimorphic Jumping Spider



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The color differences between the male and female Dimorphic Jumping Spider are profound to us, but completely natural to them.



Updated: 09/23/2020; Authored By Staff Writer; Content ©www.InsectIdentification.org
Dimorphic literally means 'two forms'. This is true of this aptly named species of Jumping Spider. The male may be black with yellow legs, or tan with red marks on its abdomen. The two variants look completely different. The female more closely resembles a paler version of the tan male. The body is covered with short hairs. Mature males have pedipalps in front of the face that might look like antennae or a short pair of legs. They help transfer sperm to the female during mating.

Like all spiders in the Salticidae family, the Dimorphic Jumping Spider can hop, pounce great distances in the blink of an eye. This ability helps it ambush insect prey as well as escape from encroaching threats. The spider is small, but the colors and quick movements make it more conspicuous than other jumpers.




General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers
Insect antennae icon
Hairy insect icon
Jumping insect icon
Spiny / Spiky insect icon




Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Arachnida
      Order: Araneae
        Family: Salticidae
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          Genus: Maevia
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            Species: inclemens
Identifying Information
Size, Colors, Features
Scientific Name: Maevia inclemens
Category: Spider
Size (Adult; Length): 7mm to 10mm (0.27" to 0.39")
Colorwheel Graphic Colors: black, yellow, gray, red, white, tan
Descriptors: spiky, hairy, yellow legs, pounce, jump, hop, two-toned, red markings, rusty, 'V', abdomen, antennae, palps
Relative Size Comparison
Typical Range Between 7mm and 10mm
Lo: 7mm
Md: 8.5mm
Hi: 10mm
Territorial Map*
U.S., Canada, and Mexico
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State of Delware graphic
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State of Maine graphic
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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
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State of Ohio graphic
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State of South Carolina graphic
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State of Tennessee graphic
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State of Utah graphic
State of Virginia graphic
State of Washington graphic
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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
Alaska  
Hawaii  
Prince Edward Is.  
* MAP NOTES: The territorial heat map above showcases (in red) the states and territories of North America where the Dimorphic Jumping Spider 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 Dimorphic Jumping Spider. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.

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