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Filmy Dome Spider (Neriene radiata)


Detailing the physical features, habits, territorial reach and other identifying qualities of the Filmy Dome Spider



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Image Credit: Alex -icycatelf- Bowen
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Small and colorful, the Filmy Dome Spider builds a web with dimension out of what looks like fragile silk.



Updated: 03/23/2021; Authored By Staff Writer; Content ©www.InsectIdentification.org
The Filmy Dome Spider is a type of Sheetweb spider, a family of spiders known for unique web shaping. This species? superfine silk is woven into a dome-like sheet. It is a small spider, and it is nocturnal, usually hidden among the leaf litter during the day.

An individual Filmy Dome Spider can display one of a couple of color variations. The black or brown body has distinctive white or yellow stripes down the sides of the abdomen, and a pair of thick white or yellow lines that run down the length of the abdomen. Some are black and white; others are two-toned with a brown head region and black and white abdomen. Paired flecks sit between these thick lines. Males tend to be smaller than females, and with a more elongated abdomen and club-like pedipalps by the face. Females have a more bulbous abdomen and lack the pedipalps. Look for this spider and its delicate web in wooded areas near the ground or among low-growing plants.




General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers
Striped or banded insect icon




Taxonomic Hierarchy
Species Breakdown
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Arachnida
      Order: Araneae
        Family: Linyphiidae
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          Genus: Neriene
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            Species: radiata
Identifying Information
Size, Colors, Features
Scientific Name: Neriene radiata
Category: Spider
Size (Adult; Length): 7mm to 8mm (0.27" to 0.31")
Colorwheel Graphic Colors: black; white; brown; yellow; orange
Descriptors: white side stripes; thick white lines; small; forest; tiny
Relative Size Comparison
Typical Size Between 7mm (0.3in) and 8mm (0.3in)
Lo: 7mm
Md: 7.5mm
Hi: 8mm
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
Alaska  
Hawaii  
Prince Edward Is.  
* MAP NOTES: The territorial heat map above showcases (in red) the states and territories of North America where the Filmy Dome 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 Filmy Dome Spider. Insects generally go where they please, typically driven by diet, environmental changes, and / or mating habits.

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