I think that Don (McGizmo) sells a UV version of his lights. I have one under development, but they will not ship until right before xmas.
As far as bugs and critters - I understand your problem, and you are just getting started. Without a winter freeze, you will encounter bugs and insects of qty that you are not used to.
In addition to the scorpions, there are fire ants, tarantulas, black widows, etc. (we have most of these as well). It is a constant battle, made worse in CA by our limited ability to purchase products that actually work. I find that household bleach is more effective than most of the other insecticide options that I have for outdoor use, and fogging the attic periodically helps with the spiders.
Either your wife will need to get more comfortable with more bugs (difficult as you know) or you will likely need a long term contract exterminator.