Steatoda triangulosa
(Triangulate Cobweb Spider)

Featured spider picture The spider species Steatoda triangulosa, commonly known as Triangulate Cobweb Spider, belongs to the genus Steatoda, in the family Theridiidae. Steatoda triangulosa spiders have been sighted 116 times by contributing members. Based on collected data, the geographic range for Steatoda triangulosa includes 6 countries and 32 states in the United States. Steatoda triangulosa is most often sighted indoors, and during the month of April.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Theridiidae
  • Genus: Steatoda
  • Species: Steatoda triangulosa

Other Common Names

Triangulate Cobweb Spider, Triangulate Cobweb Weaver

Author

Charles Athanase Walckenaer, 1802

Primary Colors


Sightings Overview

There have been 116 confirmed sightings of Steatoda triangulosa (Triangulate Cobweb Spider), with the most recent sighting submitted on October 20, 2018 by Spider ID member officerjcjackson. The detailed statistics below may not utilize the complete dataset of 116 sightings because of certain Steatoda triangulosa sightings reporting incomplete data.

  • Web: 36% of the time, Steatoda triangulosa spiders are sighted in a spider web (Sample size: 116)
  • Sex: 6 female and 10 male.
  • Environment: Steatoda triangulosa has been sighted 18 times outdoors, and 101 times indoors.
  • Outdoors: Man-made structure (11). High foliage (1). Ground layer (2). Under rock or debris (2). Open field, pasture, grassland (1). Desert area (1).

Location and Range

Steatoda triangulosa (Triangulate Cobweb Spider) has been sighted in the following countries: Canada, Germany, Slovakia, Spain, Turkey, United States.

Steatoda triangulosa has also been sighted in the following states: Alabama, Arizona, Arkansas, California, Colorado, Florida, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Nebraska, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Washington, West Virginia, Wisconsin.

Seasonality

Steatoda triangulosa has been primarily sighted during the month of April.

  • January: 9
  • February: 12
  • March: 17
  • April: 34
  • May: 26
  • June: 8
  • July:
  • August: 2
  • September: 1
  • October: 6
  • November:
  • December: 1

Featured Pictures

Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Male - Dorsal Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Male - Dorsal Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Male - Dorsal Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal,Webs Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal,Prey Enlarge Picture
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Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal Enlarge Picture
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