Steatoda borealis

Picture ID 68293

Picture of Steatoda borealis - Dorsal
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CalumEwing

This is one of the False Widow Spiders, one of the Steatoda species in the family Theridiidae.

CalumEwing

They are in the large and diverse family of Cobweb Weavers as are the more feared Widow Spiders of the genus Latrodectus. These guys however are quite harmless. They build a typical cob web or scaffold web that is made mostly of non-sticky silk and insects get tangled up in the web rather than get stuck to it. Because of this, they are quite good at catching moths and butterflies that often escape the typical sticky orb webs. They look superficially like the Widow Spiders (dark, shiny, round abdomen) hence the False Widow name, but the white stripe around the… Read more »

Additional Pictures

Picture of Steatoda borealis - Ventral Enlarge Picture
Picture of Steatoda borealis - Male - Dorsal Enlarge Picture
Picture of Steatoda borealis - Dorsal Enlarge Picture
Picture of Steatoda borealis - Dorsal Enlarge Picture