Researchers in Germany have found the earliest known fossil evidence of insects from the order Lepidoptera. By analyzing a drilled sediment core that dates to the Triassic-Jurassic boundary, they discovered that ancient moths shared morphological characteristics with living moths in the suborder Glossata, including a tubular feeding device called a proboscis.
T.J.B. van Eldijk et al. “A Triassic-Jurassic window into the evolution of Lepidoptera,” Science Advances, doi:10.1126/sciadv.1701568, 2018.