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 59 times by contributing members. Based on collected data, the geographic range for Steatoda borealis includes 2 countries and 15 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 59 confirmed sightings of Steatoda borealis, with the most recent sighting submitted on June 25, 2019 by Spider ID member plamana. The detailed statistics below may not utilize the complete dataset of 59 sightings because of certain Steatoda borealis sightings reporting incomplete data.

  • Web: 36% of the time, Steatoda borealis spiders are sighted in a spider web (Sample size: 59)
  • Sex: 6 female and 22 male.
  • Environment: Steatoda borealis has been sighted 14 times outdoors, and 45 times indoors.
  • Outdoors: Man-made structure (10). 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, 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: 1
  • December: 4

Featured Pictures

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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Picture of Steatoda borealis - Lateral Enlarge Picture
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Picture of Steatoda borealis - Dorsal Enlarge Picture
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Picture of Steatoda borealis - Dorsal Enlarge Picture
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