Our Magnolia Tree started misting a sticky substance in the air and on all objects around it. We have never had this happen before. The tree is about 30 years old. We have had a dry spring. Could you tell us what this might be and how to handle it? Thank you. Donna Kalbfleisch
Certified GKH Gardening Expert
This is likely an infestation of Scale.
Here is a link with more information.