Yellow and black bug
This was taken in the Mojave desert in SE CA (San Bernardino County) It was a fast moving bug about the size of a dime. I saw a similar bug in the desert of San Diego County but the insect was white in the place that this one is yellow. Both were crawling on the ground.

Hi Nancy,
This is a Desert Spider Beetle, a Blister Beetle in the genus Cysteodemus.

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