Steatoda
(False Widows)

Steatoda, commonly known as False Widows, is a genus of spiders in the family Theridiidae. Steatoda spiders have been sighted 466 times by contributing members. Based on collected data, the geographic range for Steatoda includes 24 countries and 44 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 466 confirmed sightings of Steatoda (False Widows), with the most recent sighting submitted on February 15, 2019 by Spider ID member gas. The detailed statistics below may not utilize the complete dataset of 466 sightings because of certain Steatoda sightings reporting incomplete data.

  • Web: 33% of the time, Steatoda spiders are sighted in a spider web (Sample size: 445)
  • Sex: 40 female and 84 male.
  • Environment: Steatoda has been sighted 120 times outdoors, and 340 times indoors.
  • Outdoors: Man-made structure (76). Low foliage (7). High foliage (3). Ground layer (9). Under rock or debris (19). Freshwater river, lake, stream (1). Open field, pasture, grassland (4). Desert area (1).

Location and Range

Steatoda (False Widows) has been sighted in the following countries: Argentina, Australia, Belgium, Bulgaria, Canada, Chile, 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 Hampshire, 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: 41
  • February: 32
  • March: 65
  • April: 74
  • May: 98
  • June: 30
  • July: 5
  • August: 6
  • September: 3
  • October: 54
  • November: 12
  • December: 46


Steatoda Species


Featured Pictures

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