Latrodectus hesperus
(Western Black Widow)

Picture ID 5730

Comments & ID Thoughts

Lactodectus geometricus

Submitted by:
groundhog
Submitted: Feb 20, 2018
Photographed: Feb 20, 2018
Spider: Latrodectus hesperus (Western Black Widow)
Location: Cottonwood , 34.688318 -112.051444, Arizona, United States
Spotted Outdoors: Man-made structure (building wall, fences, etc.)
Found in web?: No
Attributes: Dorsal, Ventral

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ItsyBitsy

Moderator

February 20, 2018 12:28 pm

Hi, welcome to Spider ID. 🙂 This looks rather like a Western Black Widow (Latrodectus hesperus) than a Brown Widow (L. geometricus). The median stripe is broken up into spots on the Brown Widow and the white swirls on the sides of the abdomen would wrap around the black spots more.
https://bugguide.net/node/view/1160036/bgimage