Steatoda
(False Widows)

Steatoda, commonly known as False Widows, is a genus of spiders in the family Theridiidae. Steatoda spiders have been sighted 211 times by contributing members. Based on collected data, the geographic range for Steatoda includes 21 countries and 34 states in the United States. Steatoda is most often sighted indoors, and during the month of March.

Taxonomic Hierarchy

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

Other Common Names

False Black Widows, Cupboard Spiders, Cobweb Weavers, Cobweb Spiders, Cob Web Spiders, Comb-footed Spiders, Tangle-web Spiders, Gumfoot-web Spiders

Author

Carl Jakob Sundevall, 1833

Sightings Overview

There have been 211 confirmed sightings of Steatoda (False Widows), with the most recent sighting submitted on April 25, 2018 by Spider ID member partialtwitch. The detailed statistics below may not utilize the complete dataset of 211 sightings because of certain Steatoda sightings reporting incomplete data.

  • Web: 32% of the time, Steatoda spiders are sighted in a spider web (Sample size: 190)
  • Sex: 30 female and 32 male.
  • Environment: Steatoda has been sighted 59 times outdoors, and 141 times indoors.
  • Outdoors: Man-made structure (33). Low foliage (3). High foliage (3). Ground layer (7). Under rock or debris (9). Freshwater river, lake, stream (1). Open field, pasture, grassland (2). Desert area (1).

Location and Range

Steatoda (False Widows) has been sighted in the following countries: Argentina, Australia, Belgium, Bulgaria, Canada, Cyprus, Denmark, Ecuador, Germany, Ireland, Israel, Jordan, Mexico, New Zealand, Portugal, South Africa, Spain, Turkey, United Kingdom, United States, Vietnam.

Steatoda has also been sighted in the following states: Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming.

Seasonality

Steatoda has been primarily sighted during the month of March.

  • January: 23
  • February: 27
  • March: 64
  • April: 61
  • May: 3
  • June: 6
  • July: 5
  • August: 5
  • September: 2
  • October: 4
  • November: 5
  • December: 6


Steatoda Species


Featured Pictures

Picture of Steatoda spp. (False Widows) - Lateral Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Female - Dorsal Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Ventral Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Ventral Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Ventral,Webs Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Ventral Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Dorsal Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Dorsal Enlarge Picture
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