Looks most like P. quercicella, but the other species look similar.
I used wing venation to rule out Leptomantispa pulchella according to Aaron Schusteff's comment under this photo:
Fungus on Harmonia axyridis. See comment by Monica Hughes here:
The only Patara species in the eastern US.
ID based on photos of G. turriculatus and G. univittatus on bugguide.net.
"G. univittatus has a lower, broader pronotal horn."
(2693) - Prionoxystus robiniae
Snake eating a frog on the side of train tracks