This handsome little brown treehopper with a brilliant green stripe on its extended pronotum (a feature unique to the Membracidae — er, the extended pronotum, that is, not the green stripe) enjoys hopping around on (and eating the sap of) oak trees, and ranges all over the east coast of the United States.
This poor thing has Wikipedia Stub Syndrome so bad it doesn’t even have a page as of this writing. Its genus doesn’t have a page. The furthest I can get is the family, Smiliini. (Honestly, this might just mean someone’s come along and very recently carved Smilia out of some other genus, and bugguide and iNaturalist have moved with the times here, and wikipedia has not caught up yet.)
Identified courtesy of the fine folks at iNaturalist.