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Steatoda triangulosa
(Triangulate Cobweb Spider)

Picture ID 201448

Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal

Comments & ID Thoughts

Legs look similar to a Brown Widow, never seen coloring on the abdomen like this before, very cool! I am guessing it is a brown widow. Found it in a shed that I use to store scrap wood and such.

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TangledWeb

She’s pretty! Your guess was close. She’s in the same family, Theridiidae, as the Widows. A common name for spiders in her genus is, “false widows.” Her species usually has gold glittery markings, but occasionallythey have silver glittery markings, like yours. Her webbing is a true cobweb. It’s trick is to look messy and gather dust…so bugs don’t recognize it as an in-use spider web. There’s a tripline that the spider keeps her feet on. When she feels it get tripped in the dark, she pounces. She can grab some of her existing web and use it to bind and… Read more »

Additional Pictures

Picture of Steatoda triangulosa (Triangulate Cobweb Spider) Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Prey Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Lateral Enlarge Picture