Reports of mortality and die-back of yellow poplar trees have been trickling in around southeast Ohio. For more information, I suggest reading this article from the Buckeye Yard and Garden Online: https://bygl.osu.edu/node/2486
“The reports primarily came from areas in the state that experienced the record-breaking drought last season, as well as high populations of native yellow poplar weevil (Odontopus calceatus). Tom noted that aerial forest health surveys last season revealed that the weevil was the number one damage-causing agent in Ohio’s forests, with 15,712 acres affected…” Link