These are images of a Spider Wasp
, that I believe is a female Anoplius americanus ambiguus
Full size image: Click Here
1) - The wing's submarginal cells are a match for the genus & species level ID.
2) - The geographic distribution constraints may limit the possible subspecies that may be found in my area. (central Arizona)
3) - The orange coloring on the first three abdominal segments indicates that this wasp's subspecies is most likely A. a. ambiguus