Actually I believe you have A Harry Lauder Walking Stick shrub. Below you will see a link to the Morton Arboretum with the Devils Walking Stick plant description. The Devils Walking Stick has large compound leaves. The Devils WS is classified as a tree. The pictures you have furnished are that of a Harry Lauder Walking Stick. https://www.mortonarb.org/trees-plants/tree-plant-descriptions/devil%E2%80%99s-walking-stick I have a “Harry” in my shade garden at home. It adds an interesting “twist” to the garden both in summer and winter. A favorite food of Japanese Beetles. This is the beetle causing the damage to your HLWS. IPM. This website from the University of Minnesota Extension will give you further information on the pest. If you scroll down through the article you will see the Beetles on a Harry Lauder Walking Stick. Https://extension.umn.edu>Japanese I hope this information will prove useful.