Question
I have a 6-year-old Weeping Mulberry tree that's beautiful.  I became concerned something was wrong with it because it was leafing much later in the season than normal and many of the branches lose all leaves on the bottom of the shoots, leaving naked branches poking out the bottom, so I had an arborist come out.  They told me it was fine.  Yesterday as I was cutting some random long branches, I found a leaf from which all the green had been eaten, but a transparent "skin" was left on both the top and bottom of the leaf, encasing dozens of tiny white worms.  There were two patches of this on the leaf, both with worms, and in one, a flesh colored spider that seemed to have no problem tending to these worms.  I did not see any live worms or any sort of bug anywhere else on the tree, but I do have lots of leaves with brown spots.  I do not want to lose my tree!  I just lost a mature Flowering Plum that was planted approximately 20 feet from this tree - it had a borer infestation.  The arborist said the Weeping Mulberry tree was ok, but I think something is wrong. Might you have any idea what this is?

Answer
Hi there. It's hard to say what's wrong without knowing more information. Such as weather conditions for the past several months. As for the bugs on your leaves.A small infestation won't hurt the tree.The spots are probably a fungal infection which may or contribute the trees condition. This could be a drought problem from this year or last year.BTW,was the person you had come look at the tree a Certified Arborist?  Bill