the black widow has a distinct hourglass marking...I am unsure of the three spots...there is a spider with white striped legs and one red spot that is harmless.
Here are pics of widows....if it looks like that...call an exterminator to get rid of them immediately.
http://images.google.com/images?hl=...&sa=X&oi=image_result_group&ct=title&resnum=1
Here are pics of widows....if it looks like that...call an exterminator to get rid of them immediately.
http://images.google.com/images?hl=...&sa=X&oi=image_result_group&ct=title&resnum=1