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Arachnids › Comb-footed Spiders

False Black Widow

Steatoda grossa

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Wildlife study photograph from iNaturalist.
(c) tom_molehr, some rights reserved (CC BY-NC)

28 photos

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Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 959, February 709, March 1,110, April 1,747, May 2,518, June 2,746, July 2,938, August 2,527, September 1,855, October 1,385, November 757, December 591.
United States25,829
Alaska19,843
California8,519
Washington1,633
United Kingdom1,333
France1,235
England1,209
British Columbia1,202
North Carolina991
Oregon864

Counts show where people looked, not only where it lives.

Traits

Behavioral

  • CarnivoreEats other animals or animal-derived prey as a major part of its diet.Inferred from its group

Physical

  • ExoskeletonHas a hard external skeletonFrom its classification

Practical

  • VenomousProduces venom for defense or huntingFrom its classification

Group and habits

  • PredatorDescends from an animal lineage whose members commonly hunt other animals.Inferred from its group

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassArachnids · Arachnida
OrderSpiders · Araneae
FamilyComb-footed Spiders · Theridiidae
GenusFalse Widow Spiders · Steatoda

Sources

Remember the name next time.

Practise False Black Widow with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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