Derbid Planthopper – Derbidae – Apache degeerii.
Photographed 08-13-16 at Cuivre River State Park, Lincoln Co, MO.
Derbid Plant Hopper
"What a thousand acres of Silphiums looked like when they tickled the bellies of the buffalo is a question never again to be answered, and perhaps not even asked." -Aldo Leopold
A Thousand Acres of Silphiums 
A most beautiful Planthopper! 🙂