spider mites

I have another thread for my burning bush but thought more views would be possible in a new thread. I am guessing that these are spider mites? Confusing that you can see them, the black but what is the white? Do you just wash these off or I have some fungicide that says it is for spider mites...

I purchased a couple, really good looking Juniper bonsais back in December, and they were healthy as can be.. My original post: http://www.bonsainut.com/threads/juniper-newbie-here-any-advice-welcome.21337/ However, as the weather has turned warmer, I've noticed that my Juniper has turned...