A <em>Steatoda borealis</em> in Prince George's Co., Maryland (9/23/2019). Verified by Chad Heins/BugGuide. (Photo ID: 151805 - Psn: 10)

A Steatoda borealis in Prince George's Co., Maryland (9/23/2019). Verified by Chad Heins/BugGuide.

View Record Details Photo by Barbara Thurlow MBP List

A <em>Steatoda borealis</em> in Howard Co., Maryland (9/6/2015). Verified by Lynette/BugGuide. (Photo ID: 41201 - Psn: 20)

A Steatoda borealis in Howard Co., Maryland (9/6/2015). Verified by Lynette/BugGuide.

View Record Details Photo by Bonnie Ott MBP List

A <em>Steatoda borealis</em> in Worcester Co., Maryland (9/19/2014). (Photo ID: 163576 - Psn: 20)

A Steatoda borealis in Worcester Co., Maryland (9/19/2014).

View Record Details Photo by Scott Housten MBP List

A <em>Steatoda borealis</em> in Howard Co., Maryland (9/6/2015). Verified by Lynette/BugGuide. (Photo ID: 41202 - Psn: 21)

A Steatoda borealis in Howard Co., Maryland (9/6/2015). Verified by Lynette/BugGuide.

View Record Details Photo by Bonnie Ott MBP List

A pair of <em>Steatoda borealis</em> in Howard Co., Maryland (12/24/2015). Verified by Laura P./BugGuide. (Photo ID: 43485 - Psn: 25)

A pair of Steatoda borealis in Howard Co., Maryland (12/24/2015). Verified by Laura P./BugGuide.

View Record Details Photo by Bonnie Ott MBP List

A male <em>Steatoda borealis</em> in Frederick Co., Maryland (8/18/2019). (Photo ID: 154267 - Psn: 29)

A male Steatoda borealis in Frederick Co., Maryland (8/18/2019).

View Record Details Photo by Ashley Bradford MBP List

A <em>Steatoda borealis</em> in Harford Co., Maryland (11/11/2018). (Photo ID: 127356 - Psn: 35)

A Steatoda borealis in Harford Co., Maryland (11/11/2018).

View Record Details Photo by Dave Webb MBP List

A male <em>Steatoda borealis</em> in Frederick Co., Maryland (8/18/2019). (Photo ID: 154266 - Psn: 35)

A male Steatoda borealis in Frederick Co., Maryland (8/18/2019).

View Record Details Photo by Ashley Bradford MBP List

A <em>Steatoda borealis</em> feeding on an unlucky Eyed Click Beetle (Alaus oculatus) in Montgomery Co., Maryland (5/4/2022). Verified by T. Hedlund/BugGuide. (Photo ID: 574361 - Psn: 35)

A Steatoda borealis feeding on an unlucky Eyed Click Beetle (Alaus oculatus) in Montgomery Co., Maryland (5/4/2022). Verified by T. Hedlund/BugGuide.

View Record Details Photo by Jim Moore MBP List

A <em>Steatoda borealis</em> in Worcester Co., Maryland (8/2/2014). Determined by Laura P./BugGuide. (Photo ID: 105791 - Psn: 40)

A Steatoda borealis in Worcester Co., Maryland (8/2/2014). Determined by Laura P./BugGuide.

View Record Details Photo by Scott Housten MBP List

A <em>Steatoda borealis</em> in Worcester Co., Maryland (4/17/2015). Determined by Laura P./BugGuide. (Photo ID: 192451 - Psn: 65)

A Steatoda borealis in Worcester Co., Maryland (4/17/2015). Determined by Laura P./BugGuide.

View Record Details Photo by Scott Housten MBP List

A <em>Steatoda borealis</em> in Harford Co., Maryland (4/7/2021). (Photo ID: 358740 - Psn: 66)

A Steatoda borealis in Harford Co., Maryland (4/7/2021).

View Record Details Photo by Dave Webb MBP List

A <em>Steatoda borealis</em> in Anne Arundel Co., Maryland (10/29/2017). Determined by Laura P./BugGuide. (Photo ID: 95424 - Psn: 75)

A Steatoda borealis in Anne Arundel Co., Maryland (10/29/2017). Determined by Laura P./BugGuide.

View Record Details Photo by Bill Hubick MBP List

A <em>Steatoda borealis</em> in Worcester Co., Maryland (10/3/2014). (Photo ID: 163878 - Psn: 78)

A Steatoda borealis in Worcester Co., Maryland (10/3/2014).

View Record Details Photo by Scott Housten MBP List

A <em>Steatoda borealis</em> in Worcester Co., Maryland (6/7/2014). Determined by John Rosenfeld/BugGuide. (Photo ID: 99424 - Psn: 200)

A Steatoda borealis in Worcester Co., Maryland (6/7/2014). Determined by John Rosenfeld/BugGuide.

View Record Details Photo by Scott Housten MBP List

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22 Records

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Seasonality Snapshot

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Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Steatoda borealis in Prince George's Co., Maryland (9/23/2019). Verified by Chad Heins/BugGuide. View Record Details Media by Barbara Thurlow.

A Steatoda borealis in Howard Co., Maryland (9/6/2015). Verified by Lynette/BugGuide. View Record Details Media by Bonnie Ott.

A Steatoda borealis in Worcester Co., Maryland (9/19/2014). View Record Details Media by Scott Housten.

A Steatoda borealis in Howard Co., Maryland (9/6/2015). Verified by Lynette/BugGuide. View Record Details Media by Bonnie Ott.

A pair of Steatoda borealis in Howard Co., Maryland (12/24/2015). Verified by Laura P./BugGuide. View Record Details Media by Bonnie Ott.

A male Steatoda borealis in Frederick Co., Maryland (8/18/2019). View Record Details Media by Ashley Bradford.

A Steatoda borealis in Harford Co., Maryland (11/11/2018). View Record Details Media by Dave Webb.

A male Steatoda borealis in Frederick Co., Maryland (8/18/2019). View Record Details Media by Ashley Bradford.

A Steatoda borealis feeding on an unlucky Eyed Click Beetle (Alaus oculatus) in Montgomery Co., Maryland (5/4/2022). Verified by T. Hedlund/BugGuide. View Record Details Media by Jim Moore.

A Steatoda borealis in Worcester Co., Maryland (8/2/2014). Determined by Laura P./BugGuide. View Record Details Media by Scott Housten.

A Steatoda borealis in Worcester Co., Maryland (4/17/2015). Determined by Laura P./BugGuide. View Record Details Media by Scott Housten.

A Steatoda borealis in Harford Co., Maryland (4/7/2021). View Record Details Media by Dave Webb.

A Steatoda borealis in Anne Arundel Co., Maryland (10/29/2017). Determined by Laura P./BugGuide. View Record Details Media by Bill Hubick.

A Steatoda borealis in Worcester Co., Maryland (10/3/2014). View Record Details Media by Scott Housten.

A Steatoda borealis in Worcester Co., Maryland (6/7/2014). Determined by John Rosenfeld/BugGuide. View Record Details Media by Scott Housten.

Source: Wikipedia

Steatoda borealis

Steatoda borealis.—277, female. 278, male. Both enlarged four times. 279, eyes
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Araneomorphae
Family:	Theridiidae
Genus:	Steatoda
Species:	S. borealis
Binomial name
*Steatoda borealis* (Hentz, 1850)

Steatoda borealis is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.^[1]^[2]^[3]^[4]