I have tiny brown bead type things on wisteria branches and the tree appears to be slowly dying. Are the brown beads some kind of pest and how do I treat them please. It has been beautiful for twelve years but half of it has died over the winter and I don'tknow why.
This article may help you.
You can send us an image or even take a sample to your County Extension Office.
This link will help you locate your nearest office.