Studies in Mexican grasshoppers: four new species of the genus Oaxaca Fontana, Buzzetti & Mariño-Pérez, 2011 with the erection of the subgenus Paraoaxaca (Caelifera: Acrididae: Melanoplinae).

After a thoughtful review of 159 specimens collected from 17 localities from multiple collections in Mexico and the U.S.A.