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Hentz Jumping Spider (Hentzia palmarum )


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

 Updated: 1/23/2019; Authored By Staff Writer; Content ¬©www.InsectIdentification.org




A Hentz Jumping Spider prefers launching itself at its prey instead of building and maintaining a web.



The Hentz Jumping Spider is a member of the Salticidae family, whose diminutive members easily leap. "Saltare" is Latin for jump. This spider is not very large; none of the jumping spiders are. Rather than creating silk webs to catch its prey, this spider literally pounces on it in an ambush attack. And it can hop over tremendous distances for such a tiny spider. When it is making an attack, it will release a strand of spider silk (called a dragline) as it leaps to attach to the prey and keep it from escaping. The other use for its silk to create a small covered burrow for shelter and rest.

In addition to springing to action when prey wanders by, the Hentz Jumping Spider is also quite fast at jumping away from perceived threats, like curious humans. This makes it a bit difficult to get a close look at it. If it is still long enough to admire it, one will see its first pair of legs are dark red, long, and larger than the other yellow legs. These strong legs help subdue insects, allowing the spider to inject its venom with a bite. Similar colored red pedipalps in front of the face are sometimes mistakenly thought to be a 5th pair of legs. These shorter appendages are actually part of the jaw. Large, round eyes in the front of the face are nestled in an orange band of hairs, and they are surrounded by smaller pairs of eyes. The overall brown-red color of the head bordered by a white, hairy band that even borders the abdomen's sides as well. Subtle dark bands cross the abdomen, and some dark and white mottling is observable on the top of the cephalothorax.

Look for a Hentz Jumping Spider among leaf litter and on the ground outside. Like many other Jumping Spiders, they sometimes come indoors looking for a meal. They are not considered harmful, but their quick jumping sometimes startles people.
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Taxonomic Hierarchy
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Araneae
        Family: Salticidae
          Genus: Hentzia
            Species: palmarum
Identifying Information
Scientific Name: Hentzia palmarum
Category: Spider
Size (Adult; Length): 3mm to 5mm (0.12in to 0.20in)
Colorwheel Graphic Colors: brown; tan; yellow; white; red; orange
Descriptors: jump, stripes, band, biting, venomous, fast, small, red
Territorial Map
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Prince Edward Is.  
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Territorial Reach (A-to-Z)
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
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Alberta
British Columbia
Manitoba
New Brunswick
Newfoundland and Labrador
Nova Scotia
Ontario
Prince Edward Island
Quebec
Saskatchewan
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Mexico
Note: 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 as they are driven by environmental factors (such as climate change), available food supplies and mating patterns. Grayed-out selections indicate that the subject in question has not been reported in that particular territory. U.S. states and Canadian provinces / territories are clickable to their respective bug listings.




Spider Anatomy
Graphic showing basic parts of spider anatomy
1
Legs: Spiders have four pairs of legs and these are attached to the cephalothorax.
2
Pedipalps: Small appendages near the mouth used as taste and smell organs.
3
Cephalothorax: Contains eyes, head, mouthparts, and legs.
4
Abdomen: Contains various organs related to digestion, reproduction, and web-making.
5
Spinnerets: Used in the production of spider silk for fashioning webs or catching prey.
NOTE: Unlike insects, spiders have both an endoskeleton (internal) and exoskeleton (external).