Spider in Utah
July 29, 2009
I came across this spider while walking in a desert scrub area near a creek. It was about the size of a quarter or maybe a little smaller if I remember correctly. Any idea what it might be?
Curious about Critters
Cedar City, Utah

Red Spotted Ant Mimic

Red Spotted Ant Mimic

Hi Curious,
Using BugGuide, we believe we have identified your spider as a Red Spotted Ant Mimic, Castianeira descripta.  According to BugGuide:  “Although like most spiders this species is equipped with vemon to subdue its prey, it is not considered harmful to humans.”

Location: Cedar City, Utah

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