maybe it's a black widow?
It is the marbled golden orb weaver.
Maybe a Jumping Spider - see related link below .
The spider that is black with a white crescent on its back is the Brown House Spider. This spider is often confused with the red-back spider.
I love riddles!! What kind? i have caught a spider with those exact same markings... the white "spot" on top of it's abdomen looks more like a white heart, and i found this spider in my yard in Sacramento, CA.... from what i have learned this spider is a Daring (or Bold) Jumping Spider... harmless and non aggressive supossedly...
Spiderman
WHAT KIND OF SPIDER IS A WHITE SPIDER WITH A BRIGHT ORANGE PATTERN ON ITS BACK
This isn't much info and someone may expand on this anwser, but his spider might be reconized by the name of a Black and Yellow Argiope.
Could that be an immature black widow male?
could be a male crab spider, or a writing spider.
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Its hard to know without seeing a picture, but this could be describing a wolf spider, but its more likely an orb spider based off the limited information.
I think its a white tail :D