I have a china doll (radermachera sinica) and some of the leaves look "puckered" and some of them somewhat sun bleach appearance. I do not see ANY bugs on it at all. Please refer to pics. Thank you so much for your help...and if you know how to treat it, that info would be of great help as well.
http://mrec.ifas.ufl.edu/foliage/folnotes/chinadol.htm Mites seems like the most likely cause. You can't really see them without some magnification.
