Theridiidae
(Cobweb Weavers)

Picture ID 65544

Comments & ID Thoughts

Black Widow??? My pest control service can't tell.

Submitted by:
markb
Submitted: Jun 11, 2019
Photographed: Jun 1, 2019
Spider: Theridiidae (Cobweb Weavers)
Location: algonquin, Illinois, United States
Spotted Indoors: Basement or Cellar
Found in web?: No
Attributes: Dorsal

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ItsyBitsy

Moderator

June 11, 2019 7:58 pm

Again, this looks more like a False Widow (Steatoda). The image is so dark I’m not 100% certain of the species. There are faint abdominal patterns that can be used to distinguish them. When I lighten this image I think I might see the markings of Steatoda borealis but not clear enough for certainty.
https://bugguide.net/node/view/876634