Steatoda borealis

Featured spider picture The spider species Steatoda borealis belongs to the genus Steatoda, in the family Theridiidae. Steatoda borealis spiders have been sighted 62 times by contributing members. Based on collected data, the geographic range for Steatoda borealis includes 2 countries and 16 states in the United States. Steatoda borealis is most often sighted indoors, and during the month of May.

Taxonomic Hierarchy

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

Author

Nicholas Marcellus Hentz, 1850

Primary Colors


Sightings Overview

There have been 62 confirmed sightings of Steatoda borealis, with the most recent sighting submitted on January 5, 2020 by Spider ID member pdar. The detailed statistics below may not utilize the complete dataset of 62 sightings because of certain Steatoda borealis sightings reporting incomplete data.

  • Web: 35% of the time, Steatoda borealis spiders are sighted in a spider web (Sample size: 62)
  • Sex: 6 female and 24 male.
  • Environment: Steatoda borealis has been sighted 16 times outdoors, and 46 times indoors.
  • Outdoors: Man-made structure (12). High foliage (1). Ground layer (1). Under rock or debris (1). Forest (1).

Location and Range

Steatoda borealis has been sighted in the following countries: Canada, United States.

Steatoda borealis has also been sighted in the following states: Alaska, Connecticut, Delaware, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Nebraska, New Hampshire, New Jersey, New York, Pennsylvania, Wisconsin.

Seasonality

Steatoda borealis has been primarily sighted during the month of May.

  • January: 3
  • February: 2
  • March: 6
  • April: 13
  • May: 19
  • June: 3
  • July:
  • August: 1
  • September: 1
  • October: 6
  • November: 3
  • December: 5

Featured Pictures

Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
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Picture of Steatoda borealis - Ventral Enlarge Picture
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Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
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Picture of Steatoda borealis - Dorsal Enlarge Picture
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Picture of Steatoda borealis - Female - Ventral Enlarge Picture
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Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
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Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
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Picture of Steatoda borealis - Dorsal Enlarge Picture
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