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North American Jumping Spider (Naphys pulex)


Detailing the identifying qualities of the North American Jumping Spider, including physical features and territorial reach.


 Updated: 1/25/2014; Authored By Staff Writer; Content ¬©www.InsectIdentification.org







  North American Jumping Spider  
Picture of North-American-Jumping-Spider
Picture of North-American-Jumping-Spider Picture of North-American-Jumping-SpiderPicture of North-American-Jumping-Spider


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





Jumping spiders are opportunistic, ambush predators. They do not weave webs for catching prey though they can make spider silk. They are harmless to humans, though their fierce jumping ability startles most people. They do not need a running start to leap distances longer than 3 or 4 times their body length.

The North American Jumping Spider pounces on insect prey and uses a silken dragline to attach to the prey. Female jumping spiders also use silk to wrap their eggs into a sac and affix it somewhere inconspicuous.








Picture of the North American Jumping Spider
Picture of the North American Jumping Spider


North American Jumping Spider Information



Category: Spider
Common Name: North American Jumping Spider
Scientific Name: Naphys pulex


Taxonomy Hierarchy



 Arrow graphic Kingdom: Animalia
  Arrow graphic Phylum: Arthropoda
   Arrow graphic Class: Arachnida
    Arrow graphic Order: Araneae
     Arrow graphic Family: Salticidae
      Arrow graphic Genus: Naphys
       Arrow graphic Species: pulex

Size, Identifying Tags and Territorial Reach



Size (Adult, Length): Size (Adult, Length): 1 mm to 4 mm (0.039 inches to 0.156 inches)
Identifying Colors: black; brown; gray; white
Additional Descriptors: tiny, jumping, biting, venomous

North American Territorial Reach (Though Not Limited To): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming; Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan; Mexico

A Note About Territorial Reach: Keep in mind that an insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above. Insects are driven by environmental factors, food supplies and mating patterns and do not nescessarily work within hard-and-fast territorial lines like we humans do.

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