I was curious when I saw the extra spots on her back so I googled information about this species spider. This is a Western black widow juvenile spider.
" There are five different species of widow spider found in the United States: the Red widow (L. bishopi), the Brown widow (L. geometricus), the Western widow (L. hesperus), the Southern widow (L. mactans), and the Northern widow (L. variolus). The Western widow is found mainly west of the Mississippi. The Red and Brown widows are found mainly in Florida, but the Brown widow has been found as far west as Texas. In Virginia, the Northern and Southern black widows are the species typically found. "
I captured this picture in the oil fields of West Texas… she was making her self at home in one of my pump houses along with about seven of her friends.