Pruning plants means finding bugs. Don’t question it!
First one was a treehopper- type insect.
This one looks like it’s trying to pass for a thorn or some such. From the top, it does a pretty good job of blending in.
From the side you can see better (check out those eyes). I’m not sure this bug is self-aware enough to know that it resembles a plant, but it was still able to evolve that appearance.