Black spider with white spot on back?

The black spider with one white spot on its back is known as the Daring Jumping Spider. They are considered slightly dangerous with their bite.

Sounds like a jumping spider.

It is a Daring Jumping Spider.

The black widow is a spider that is black in color and has a red spot on its back. The red spot is in the shape of an hour glass and they are very venomous.

i always thought it was a white tail.

bold jumper spider I believe you meant 1/2 inch ...or the Daring Jumping Spider...

It Is A Mexican Spider

Just last night I saw another black spider in my house with a white spot on its back. I went to smack it with a shoe and all its babies were everywhere.What kind of spider could that be?

I don't know but I saw one in Cincinnati, Ohio.

tan spider with black on back

The bold jumper spider is a common jumping spider found all over North America. The spider is black with a white, orange or red triangular spot on its abdomen.

It's most likely the common "Daring jumping spider," Phidippus audax. It's completely harmless.

Likely the Daring (Bold) Jumping Spider

it is called a redback spider. they are the most deadlyest spider in the world

Black and yellow argiope perhaps?