Describing a change in a tree canopy: the property walkthrough for a homeowner

https://cherry-moustache-8d0.notion.site/Preparing-a-clear-enquiry-about-insects-on-a-tree-the-property-walkthrough-for-a-household-reviewin-3fcfc3a86ae7809fb5b0f7bbde8a8cd4

Describe the part of the canopy that looks different and when you first noticed it. A plain observation is more useful than an uncertain diagnosis copied from an image search