Steatoda
(False Widows)

Steatoda, commonly known as False Widows, is a genus of spiders in the family Theridiidae. Steatoda spiders have been sighted 417 times by contributing members. Based on collected data, the geographic range for Steatoda includes 23 countries and 43 states in the United States. Steatoda 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

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 417 confirmed sightings of Steatoda (False Widows), with the most recent sighting submitted on December 15, 2018 by Spider ID member laura-lsu. The detailed statistics below may not utilize the complete dataset of 417 sightings because of certain Steatoda sightings reporting incomplete data.

  • Web: 31% of the time, Steatoda spiders are sighted in a spider web (Sample size: 396)
  • Sex: 40 female and 72 male.
  • Environment: Steatoda has been sighted 111 times outdoors, and 298 times indoors.
  • Outdoors: Man-made structure (70). Low foliage (6). High foliage (3). Ground layer (9). Under rock or debris (18). Freshwater river, lake, stream (1). Open field, pasture, grassland (3). 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, Netherlands, New Zealand, Portugal, Slovakia, South Africa, Spain, Turkey, United Kingdom, United States, Vietnam.

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

Seasonality

Steatoda has been primarily sighted during the month of May.

  • January: 24
  • February: 27
  • March: 65
  • April: 74
  • May: 98
  • June: 30
  • July: 5
  • August: 6
  • September: 2
  • October: 51
  • November: 8
  • December: 27


Steatoda Species


Featured Pictures

Picture of Steatoda spp. (False Widows) - Lateral 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) - Male - Dorsal Enlarge Picture
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Picture of Steatoda spp. (False Widows) - Male - Dorsal 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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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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