Melanoplus marshallii (Thomas, C., 1875)

Thomas, C. 1875. Report upon the collection of Orthoptera made in portions of Nevada, Utah, California, Colorado, New Mexico and Arizona, during the years 1871, 1872, 1873, and 1874. Report. U. S. Geol. Surv. W of 100th Merid 5:843-908, pl. 43-45