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North American Jumping Spider (Naphys pulex)

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

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The small but mighty North American Jumping Spider outperforms human jumpers by leaps and bounds.

Updated: 07/07/2021; Authored By Staff Writer; Content ©www.InsectIdentification.org
Jumping spiders are opportunistic, ambush predators. They do not weave webs for catching prey, but they can make spider silk. These little spiders are harmless to humans, though their fierce jumping ability startles most people. It is not unusual to find them on curtains, sofa cushions, corners and walls, actively searching for bugs to eat. They do not even need a running start to leap distances greater than 3 or 4 times their body length.

Like a cat, the North American Jumping Spider pounces on insects, then uses a silken dragline to pull the prey to itself. Female jumping spiders also use silk to wrap their eggs into a sac and affix it a hidden crevice, corner, or hideout.

General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers
Insect biting icon
Jumping insect icon
Venomous insect icon


Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Arachnida
      Order: Araneae
        Family: Salticidae
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          Genus: Naphys
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            Species: pulex
Identifying Information
Size, Colors, Features
Scientific Name: Naphys pulex
Category: Spider
Size (Adult; Length): 1mm to 4mm (0.03" to 0.15")
Colorwheel Graphic Colors: black; brown; gray; white
Descriptors: tiny, jumping, biting, venomous

Relative Size Comparison
Typical Size Between 1mm (0.0in) and 4mm (0.2in)
Lo: 1mm
Md: 2.5mm
Hi: 4mm
Territorial Map*
U.S., Canada, and Mexico
State of Alabama graphic
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State of Delware graphic
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State of Maine graphic
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State of Minnesota graphic
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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
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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
Prince Edward Is.  
* MAP NOTES: The territorial heat map above showcases (in red) the states and territories of North America where the North American 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 North American Jumping Spider. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.


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