Scaralina metcalfi is a species of planthopper in the family Fulgoridae.

It is found from Arizona in the United States south to the Sierra Madre Occidental in Mexico.

[1] Scaralina metcalfi typically occurs at higher elevations, above 1000 meters, and is associated with oaks (Quercus spp.).

[1] Scaralina metcalfi is found in a subset of the Madrean Sky Islands in Arizona down into Chihuahua.

[1] In Arizona, its range is overlapped by the ranges of Scaralina aethrinsula and Scaralina cristata, and all three species can be found together.